231708520212725 has 48 divisors (see below), whose sum is σ = 289329750460800. Its totient is φ = 184072343719680.

The previous prime is 231708520212709. The next prime is 231708520212731. The reversal of 231708520212725 is 527212025807132.

It is not a de Polignac number, because 231708520212725 - 2⁴ = 231708520212709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231708520212725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12880558031 + ... + 12880576019.

It is an arithmetic number, because the mean of its divisors is an integer number (6027703134600).

Almost surely, 2^{231708520212725} is an apocalyptic number.

231708520212725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231708520212725 is a deficient number, since it is larger than the sum of its proper divisors (57621230248075).

231708520212725 is a wasteful number, since it uses less digits than its factorization.

231708520212725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062 (or 22057 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 231708520212725 in words is "two hundred thirty-one trillion, seven hundred eight billion, five hundred twenty million, two hundred twelve thousand, seven hundred twenty-five".