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31321100113002 = 2337174874120777
BaseRepresentation
bin1110001111100100000110…
…00010111101010001101010
311002220021020022122000022000
413013302003002331101222
513101131103112104002
6150340414215311430
76411606026151210
oct707620302752152
9132807208560260
1031321100113002
119a86227524467
12361a2a507b576
13146274ab0154b
147a3d40d88cb0
15394b0132461c
hex1c7c830bd46a

31321100113002 has 64 divisors (see below), whose sum is σ = 84224807043840. Its totient is φ = 8422480700928.

The previous prime is 31321100112997. The next prime is 31321100113063. The reversal of 31321100113002 is 20031100112313.

31321100113002 is a `hidden beast` number, since 31 + 321 + 1 + 0 + 0 + 11 + 300 + 2 = 666.

It is a super-3 number, since 3×313211001130023 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2437053963 + ... + 2437066814.

It is an arithmetic number, because the mean of its divisors is an integer number (1316012610060).

Almost surely, 231321100113002 is an apocalyptic number.

31321100113002 is an abundant number, since it is smaller than the sum of its proper divisors (52903706930838).

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

31321100113002 is a wasteful number, since it uses less digits than its factorization.

31321100113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874120812 (or 4874120806 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31321100113002 its reverse (20031100112313), we get a palindrome (51352200225315).

The spelling of 31321100113002 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred million, one hundred thirteen thousand, two".

Divisors: 1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 102 119 126 153 189 238 306 357 378 459 714 918 1071 2142 3213 6426 4874120777 9748241554 14622362331 29244724662 34118845439 43867086993 68237690878 82860053209 87734173986 102356536317 131601260979 165720106418 204713072634 248580159627 263202521958 307069608951 497160319254 580020372463 614139217902 745740478881 921208826853 1160040744926 1491480957762 1740061117389 1842417653706 2237221436643 3480122234778 4474442873286 5220183352167 10440366704334 15660550056501 31321100113002