231321010332 has 24 divisors (see below), whose sum is σ = 539772528400. Its totient is φ = 77103645696.

The previous prime is 231321010279. The next prime is 231321010351. The reversal of 231321010332 is 233010123132.

It is a junction number, because it is equal to n+sod(n) for n = 231321010299 and 231321010308.

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, 124357 + ... + 691452.

Almost surely, 2^231321010332 is an apocalyptic number.

It is an amenable number.

231321010332 is an abundant number, since it is smaller than the sum of its proper divisors (308451518068).

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

231321010332 is a wasteful number, since it uses less digits than its factorization.

231321010332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839445 (or 839443 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231321010332 its reverse (233010123132), we get a palindrome (464331133464).

The spelling of 231321010332 in words is "two hundred thirty-one billion, three hundred twenty-one million, ten thousand, three hundred thirty-two".