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3100203031000 = 235328166116691
BaseRepresentation
bin101101000111010010100…
…000000001100111011000
3101222101011110221122212111
4231013102200001213120
5401243203433443000
610332114050122104
7436660630652515
oct55072240014730
911871143848774
103100203031000
11a95874874a99
12420a0b880334
1319646a41841a
14aa09ccc830c
155599b6d5cba
hex2d1d28019d8

3100203031000 has 128 divisors (see below), whose sum is σ = 7291742627520. Its totient is φ = 1233724800000.

The previous prime is 3100203030971. The next prime is 3100203031007. The reversal of 3100203031000 is 1303020013.

It is a super-2 number, since 2×31002030310002 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100203031007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185732655 + ... + 185749345.

Almost surely, 23100203031000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100203031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645871313760).

3100203031000 is an abundant number, since it is smaller than the sum of its proper divisors (4191539596520).

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

3100203031000 is a wasteful number, since it uses less digits than its factorization.

3100203031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17654 (or 17640 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 3100203031000 its reverse (1303020013), we get a palindrome (3101506051013).

The spelling of 3100203031000 in words is "three trillion, one hundred billion, two hundred three million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 281 500 562 661 1000 1124 1322 1405 2248 2644 2810 3305 5288 5620 6610 7025 11240 13220 14050 16525 16691 26440 28100 33050 33382 35125 56200 66100 66764 70250 82625 83455 132200 133528 140500 165250 166910 185741 281000 330500 333820 371482 417275 661000 667640 742964 834550 928705 1485928 1669100 1857410 2086375 3338200 3714820 4172750 4643525 4690171 7429640 8345500 9287050 9380342 11032751 16691000 18574100 18760684 22065502 23217625 23450855 37148200 37521368 44131004 46435250 46901710 55163755 88262008 92870500 93803420 110327510 117254275 185741000 187606840 220655020 234508550 275818775 441310040 469017100 551637550 586271375 938034200 1103275100 1172542750 1379093875 2206550200 2345085500 2758187750 3100203031 4690171000 5516375500 6200406062 11032751000 12400812124 15501015155 24801624248 31002030310 62004060620 77505075775 124008121240 155010151550 310020303100 387525378875 620040606200 775050757750 1550101515500 3100203031000