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31013112112010 = 2571324993343757
BaseRepresentation
bin1110000110100110011011…
…00001111110001110001010
311001210211021002212111012022
413003103031201332032022
513031104323200041020
6145543121011444442
76350423554302110
oct703231541761612
9131724232774168
1031013112112010
119977650305856
12358a6705b6722
13143c6a70a1242
14793084dc3ab0
1538bac773a625
hex1c34cd87e38a

31013112112010 has 32 divisors (see below), whose sum is σ = 63798902640000. Its totient is φ = 10632983579712.

The previous prime is 31013112111979. The next prime is 31013112112033. The reversal of 31013112112010 is 1021121131013.

It is a self number, because there is not a number n which added to its sum of digits gives 31013112112010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7603052 + ... + 10946808.

It is an arithmetic number, because the mean of its divisors is an integer number (1993715707500).

Almost surely, 231013112112010 is an apocalyptic number.

31013112112010 is an abundant number, since it is smaller than the sum of its proper divisors (32785790527990).

31013112112010 is a wasteful number, since it uses less digits than its factorization.

31013112112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476270.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31013112112010 its reverse (1021121131013), we get a palindrome (32034233243023).

The spelling of 31013112112010 in words is "thirty-one trillion, thirteen billion, one hundred twelve million, one hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 132499 264998 662495 927493 1324990 1854986 3343757 4637465 6687514 9274930 16718785 23406299 33437570 46812598 117031495 234062990 443044458743 886088917486 2215222293715 3101311211201 4430444587430 6202622422402 15506556056005 31013112112010