231204574461520 has 60 divisors (see below), whose sum is σ = 590861442486420. Its totient is φ = 84074390709760.

The previous prime is 231204574461451. The next prime is 231204574461551. The reversal of 231204574461520 is 25164475402132.

It can be written as a sum of positive squares in 2 ways, for example, as 41592335420944 + 189612239040576 = 6449212^2 + 13769976^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11942375365 + ... + 11942394724.

It is an arithmetic number, because the mean of its divisors is an integer number (9847690708107).

Almost surely, 2^{231204574461520} is an apocalyptic number.

231204574461520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231204574461520 is an abundant number, since it is smaller than the sum of its proper divisors (359656868024900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231204574461520 is a wasteful number, since it uses less digits than its factorization.

231204574461520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884770124 (or 23884770107 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 231204574461520 in words is "two hundred thirty-one trillion, two hundred four billion, five hundred seventy-four million, four hundred sixty-one thousand, five hundred twenty".