31214432110113 has 18 divisors (see below), whose sum is σ = 52448739668754. Its totient is φ = 17836818348384.

The previous prime is 31214432110111. The next prime is 31214432110153. The reversal of 31214432110113 is 31101123441213.

31214432110113 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 4 + 432 + 110 + 113 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15897987123984 + 15316444986129 = 3987228^2 + 3913623^2 .

It is not a de Polignac number, because 31214432110113 - 2¹ = 31214432110111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214432110111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35390512156 + ... + 35390513037.

Almost surely, 2^{31214432110113} is an apocalyptic number.

It is an amenable number.

31214432110113 is a deficient number, since it is larger than the sum of its proper divisors (21234307558641).

31214432110113 is a wasteful number, since it uses less digits than its factorization.

31214432110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70781025213 (or 70781025203 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 31214432110113 its reverse (31101123441213), we get a palindrome (62315555551326).

The spelling of 31214432110113 in words is "thirty-one trillion, two hundred fourteen billion, four hundred thirty-two million, one hundred ten thousand, one hundred thirteen".