231323310020312 has 16 divisors (see below), whose sum is σ = 434405749386840. Its totient is φ = 115481776850496.

The previous prime is 231323310020311. The next prime is 231323310020323. The reversal of 231323310020312 is 213020013323132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323310020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22484764493 + ... + 22484774780.

Almost surely, 2^{231323310020312} is an apocalyptic number.

It is an amenable number.

231323310020312 is a deficient number, since it is larger than the sum of its proper divisors (203082439366528).

231323310020312 is a wasteful number, since it uses less digits than its factorization.

231323310020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44969539922 (or 44969539918 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231323310020312 its reverse (213020013323132), we get a palindrome (444343323343444).

The spelling of 231323310020312 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred ten million, twenty thousand, three hundred twelve".