231312310330113 has 32 divisors (see below), whose sum is σ = 344054592201600. Its totient is φ = 153591863040000.

The previous prime is 231312310330111. The next prime is 231312310330117. The reversal of 231312310330113 is 311033013213132.

231312310330113 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 2 + 310 + 330 + 1 + 13 = 666.

It is not a de Polignac number, because 231312310330113 - 2¹ = 231312310330111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231312310330111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688653153 + ... + 688988961.

It is an arithmetic number, because the mean of its divisors is an integer number (10751706006300).

Almost surely, 2^{231312310330113} is an apocalyptic number.

It is an amenable number.

231312310330113 is a deficient number, since it is larger than the sum of its proper divisors (112742281871487).

231312310330113 is a wasteful number, since it uses less digits than its factorization.

231312310330113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437710 (or 437704 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 231312310330113 its reverse (311033013213132), we get a palindrome (542345323543245).

The spelling of 231312310330113 in words is "two hundred thirty-one trillion, three hundred twelve billion, three hundred ten million, three hundred thirty thousand, one hundred thirteen".