231243510332 has 48 divisors (see below), whose sum is σ = 409839544800. Its totient is φ = 114158068992.

The previous prime is 231243510319. The next prime is 231243510343. The reversal of 231243510332 is 233015342132.

It is a happy number.

231243510332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231243510332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231243510295 and 231243510304.

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, 75004463 + ... + 75007545.

It is an arithmetic number, because the mean of its divisors is an integer number (8538323850).

Almost surely, 2^231243510332 is an apocalyptic number.

It is an amenable number.

231243510332 is a deficient number, since it is larger than the sum of its proper divisors (178596034468).

231243510332 is a wasteful number, since it uses less digits than its factorization.

231243510332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 231243510332 its reverse (233015342132), we get a palindrome (464258852464).

The spelling of 231243510332 in words is "two hundred thirty-one billion, two hundred forty-three million, five hundred ten thousand, three hundred thirty-two".