231402254045013 has 14 divisors (see below), whose sum is σ = 346944668960214. Its totient is φ = 154268169362856.

The previous prime is 231402254044999. The next prime is 231402254045029. The reversal of 231402254045013 is 310540452204132.

It is a happy number.

231402254045013 is a `hidden beast` number, since 2 + 3 + 1 + 40 + 22 + 540 + 4 + 50 + 1 + 3 = 666.

231402254045013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 141949662833169 + 89452591211844 = 11914263^2 + 9457938^2 .

It is not a de Polignac number, because 231402254045013 - 2¹² = 231402254040917 is a prime.

It is a super-2 number, since 2×231402254045013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231402254045513) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 158712107670 + ... + 158712109127.

Almost surely, 2^{231402254045013} is an apocalyptic number.

It is an amenable number.

231402254045013 is a deficient number, since it is larger than the sum of its proper divisors (115542414915201).

231402254045013 is an frugal number, since it uses more digits than its factorization.

231402254045013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317424216815 (or 317424216800 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 231402254045013 in words is "two hundred thirty-one trillion, four hundred two billion, two hundred fifty-four million, forty-five thousand, thirteen".