31130111103113 has 16 divisors (see below), whose sum is σ = 34299363900672. Its totient is φ = 28017447840000.

The previous prime is 31130111103083. The next prime is 31130111103121.

It is a happy number.

31130111103113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31130111103113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31130111103193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11522945 + ... + 13965617.

It is an arithmetic number, because the mean of its divisors is an integer number (2143710243792).

Almost surely, 2^{31130111103113} is an apocalyptic number.

It is an amenable number.

31130111103113 is a deficient number, since it is larger than the sum of its proper divisors (3169252797559).

31130111103113 is a wasteful number, since it uses less digits than its factorization.

31130111103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454256.

The product of its (nonzero) digits is 81, while the sum is 20.

It can be divided in two parts, 3113011 and 1103113, that added together give a palindrome (4216124).

The spelling of 31130111103113 in words is "thirty-one trillion, one hundred thirty billion, one hundred eleven million, one hundred three thousand, one hundred thirteen".