231320010231001 has 16 divisors (see below), whose sum is σ = 257825084918400. Its totient is φ = 206248680960768.

The previous prime is 231320010230977. The next prime is 231320010231017. The reversal of 231320010231001 is 100132010023132.

It is a cyclic number.

It is not a de Polignac number, because 231320010231001 - 2²⁷ = 231319876013273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231320010231001.

It is not an unprimeable number, because it can be changed into a prime (231320010231041) 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, 1856260 + ... + 21589018.

It is an arithmetic number, because the mean of its divisors is an integer number (16114067807400).

Almost surely, 2^{231320010231001} is an apocalyptic number.

It is an amenable number.

231320010231001 is a deficient number, since it is larger than the sum of its proper divisors (26505074687399).

231320010231001 is a wasteful number, since it uses less digits than its factorization.

231320010231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19769088.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231320010231001 its reverse (100132010023132), we get a palindrome (331452020254133).

The spelling of 231320010231001 in words is "two hundred thirty-one trillion, three hundred twenty billion, ten million, two hundred thirty-one thousand, one".