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31002001122000 = 2435319127052357
BaseRepresentation
bin1110000110010001101110…
…10000111010001011010000
311001202202120202120201021210
413003020313100322023100
513030414044241401000
6145534042300420120
76346551326402166
oct703106720721320
9131682522521253
1031002001122000
11997296945a587
12358848b547640
13143b626185a3c
1479270d4a1236
1538b677075350
hex1c323743a2d0

31002001122000 has 160 divisors (see below), whose sum is σ = 100473756125184. Its totient is φ = 8223916224000.

The previous prime is 31002001121941. The next prime is 31002001122089. The reversal of 31002001122000 is 22110020013.

It is a super-2 number, since 2×310020011220002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12380179 + ... + 14672178.

Almost surely, 231002001122000 is an apocalyptic number.

31002001122000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31002001122000 is an abundant number, since it is smaller than the sum of its proper divisors (69471755003184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31002001122000 is a wasteful number, since it uses less digits than its factorization.

31002001122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27052574 (or 27052558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31002001122000 its reverse (22110020013), we get a palindrome (31024111142013).

The spelling of 31002001122000 in words is "thirty-one trillion, two billion, one million, one hundred twenty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 191 200 240 250 300 375 382 400 500 573 600 750 764 955 1000 1146 1200 1500 1528 1910 2000 2292 2865 3000 3056 3820 4584 4775 5730 6000 7640 9168 9550 11460 14325 15280 19100 22920 23875 28650 38200 45840 47750 57300 71625 76400 95500 114600 143250 191000 229200 286500 382000 573000 1146000 27052357 54104714 81157071 108209428 135261785 162314142 216418856 270523570 324628284 405785355 432837712 541047140 649256568 676308925 811570710 1082094280 1298513136 1352617850 1623141420 2028926775 2164188560 2705235700 3246282840 3381544625 4057853550 5167000187 5410471400 6492565680 6763089250 8115707100 10144633875 10334000374 10820942800 13526178500 15501000561 16231414200 20289267750 20668000748 25835000935 27052357000 31002001122 32462828400 40578535500 41336001496 51670001870 54104714000 62004002244 77505002805 81157071000 82672002992 103340003740 124008004488 129175004675 155010005610 162314142000 206680007480 248016008976 258350009350 310020011220 387525014025 413360014960 516700018700 620040022440 645875023375 775050028050 1033400037400 1240080044880 1291750046750 1550100056100 1937625070125 2066800074800 2583500093500 3100200112200 3875250140250 5167000187000 6200400224400 7750500280500 10334000374000 15501000561000 31002001122000