231532424313552 has 80 divisors (see below), whose sum is σ = 665055482832000. Its totient is φ = 77122699923456.

The previous prime is 231532424313539. The next prime is 231532424313569. The reversal of 231532424313552 is 255313424235132.

231532424313552 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 3 + 2 + 42 + 43 + 13 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 231532424313498 and 231532424313507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189581052 + ... + 190798427.

It is an arithmetic number, because the mean of its divisors is an integer number (8313193535400).

Almost surely, 2^{231532424313552} is an apocalyptic number.

It is an amenable number.

231532424313552 is an abundant number, since it is smaller than the sum of its proper divisors (433523058518448).

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

231532424313552 is a wasteful number, since it uses less digits than its factorization.

231532424313552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380380905 (or 380380893 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

Adding to 231532424313552 its reverse (255313424235132), we get a palindrome (486845848548684).

The spelling of 231532424313552 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty-four million, three hundred thirteen thousand, five hundred fifty-two".