231305164210233 has 12 divisors (see below), whose sum is σ = 334114164874048. Its totient is φ = 154200347979480.

The previous prime is 231305164210231. The next prime is 231305164210261. The reversal of 231305164210233 is 332012461503132.

231305164210233 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 5 + 1 + 642 + 1 + 0 + 2 + 3 + 3 = 666.

231305164210233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231305164210233 - 2¹ = 231305164210231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231305164210231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257428885 + ... + 258325842.

Almost surely, 2^{231305164210233} is an apocalyptic number.

It is an amenable number.

231305164210233 is a deficient number, since it is larger than the sum of its proper divisors (102809000663815).

231305164210233 is a wasteful number, since it uses less digits than its factorization.

231305164210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515804564 (or 515804561 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 231305164210233 in words is "two hundred thirty-one trillion, three hundred five billion, one hundred sixty-four million, two hundred ten thousand, two hundred thirty-three".