31900111110010 has 64 divisors (see below), whose sum is σ = 69027503529600. Its totient is φ = 10458712615680.

The previous prime is 31900111110001. The next prime is 31900111110041. The reversal of 31900111110010 is 1001111100913.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31900111110010.

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, 259331185 + ... + 259454164.

It is an arithmetic number, because the mean of its divisors is an integer number (1078554742650).

Almost surely, 2^{31900111110010} is an apocalyptic number.

31900111110010 is an abundant number, since it is smaller than the sum of its proper divisors (37127392419590).

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

31900111110010 is a wasteful number, since it uses less digits than its factorization.

31900111110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518785423.

The product of its (nonzero) digits is 27, while the sum is 19.

Adding to 31900111110010 its reverse (1001111100913), we get a palindrome (32901222210923).

The spelling of 31900111110010 in words is "thirty-one trillion, nine hundred billion, one hundred eleven million, one hundred ten thousand, ten".