31100311012113 has 48 divisors (see below), whose sum is σ = 54475545841920. Its totient is φ = 17480268439200.

The previous prime is 31100311012037. The next prime is 31100311012201. The reversal of 31100311012113 is 31121011300113.

It is not a de Polignac number, because 31100311012113 - 2¹⁸ = 31100310749969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31100311002113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192603033 + ... + 192764438.

It is an arithmetic number, because the mean of its divisors is an integer number (1134907205040).

Almost surely, 2^{31100311012113} is an apocalyptic number.

It is an amenable number.

31100311012113 is a deficient number, since it is larger than the sum of its proper divisors (23375234829807).

31100311012113 is a wasteful number, since it uses less digits than its factorization.

31100311012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385367555 (or 385367542 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31100311012113 its reverse (31121011300113), we get a palindrome (62221322312226).

The spelling of 31100311012113 in words is "thirty-one trillion, one hundred billion, three hundred eleven million, twelve thousand, one hundred thirteen".