231625211525771 has 12 divisors (see below), whose sum is σ = 269609240120688. Its totient is φ = 198412351098192.

The previous prime is 231625211525717. The next prime is 231625211525831. The reversal of 231625211525771 is 177525112526132.

231625211525771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231625211525771 - 2¹⁴ = 231625211509387 is a prime.

It is a super-2 number, since 2×231625211525771² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231625211524771) 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, 1470688256 + ... + 1470845741.

It is an arithmetic number, because the mean of its divisors is an integer number (22467436676724).

Almost surely, 2^{231625211525771} is an apocalyptic number.

231625211525771 is a deficient number, since it is larger than the sum of its proper divisors (37984028594917).

231625211525771 is a wasteful number, since it uses less digits than its factorization.

231625211525771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941535618 (or 2941535611 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 50.

The spelling of 231625211525771 in words is "two hundred thirty-one trillion, six hundred twenty-five billion, two hundred eleven million, five hundred twenty-five thousand, seven hundred seventy-one".