231513525402324 has 48 divisors (see below), whose sum is σ = 620323321658880. Its totient is φ = 66463213033440.

The previous prime is 231513525402293. The next prime is 231513525402329. The reversal of 231513525402324 is 423204525315132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231513525402329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46155006544 + ... + 46155011559.

It is an arithmetic number, because the mean of its divisors is an integer number (12923402534560).

Almost surely, 2^{231513525402324} is an apocalyptic number.

It is an amenable number.

231513525402324 is an abundant number, since it is smaller than the sum of its proper divisors (388809796256556).

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

231513525402324 is a wasteful number, since it uses less digits than its factorization.

231513525402324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92310018140 (or 92310018138 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 231513525402324 in words is "two hundred thirty-one trillion, five hundred thirteen billion, five hundred twenty-five million, four hundred two thousand, three hundred twenty-four".