231531503105332 has 24 divisors (see below), whose sum is σ = 416132049068064. Its totient is φ = 112636648549152.

The previous prime is 231531503105303. The next prime is 231531503105341. The reversal of 231531503105332 is 233501305135132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231531503105291 and 231531503105300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60167583 + ... + 63899929.

It is an arithmetic number, because the mean of its divisors is an integer number (17338835377836).

Almost surely, 2^{231531503105332} is an apocalyptic number.

It is an amenable number.

231531503105332 is a deficient number, since it is larger than the sum of its proper divisors (184600545962732).

231531503105332 is a wasteful number, since it uses less digits than its factorization.

231531503105332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151535 (or 4151533 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 231531503105332 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred three million, one hundred five thousand, three hundred thirty-two".