231513450051124 has 96 divisors (see below), whose sum is σ = 436781498136480. Its totient is φ = 107147063181312.

The previous prime is 231513450051097. The next prime is 231513450051139. The reversal of 231513450051124 is 421150054315132.

It can be written as a sum of positive squares in 16 ways, for example, as 15277013250724 + 216236436800400 = 3908582^2 + 14704980^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312005484 + ... + 312746620.

It is an arithmetic number, because the mean of its divisors is an integer number (4549807272255).

Almost surely, 2^{231513450051124} is an apocalyptic number.

It is an amenable number.

231513450051124 is a deficient number, since it is larger than the sum of its proper divisors (205268048085356).

231513450051124 is a wasteful number, since it uses less digits than its factorization.

231513450051124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742277 (or 742275 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 231513450051124 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty million, fifty-one thousand, one hundred twenty-four".