231313022577243 has 48 divisors (see below), whose sum is σ = 352989421724160. Its totient is φ = 145670242768512.

The previous prime is 231313022577239. The next prime is 231313022577257. The reversal of 231313022577243 is 342775220313132.

It is a happy number.

231313022577243 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 30 + 2 + 2 + 577 + 2 + 43 = 666.

It is not a de Polignac number, because 231313022577243 - 2² = 231313022577239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231313022577233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7644730 + ... + 22826912.

It is an arithmetic number, because the mean of its divisors is an integer number (7353946285920).

Almost surely, 2^{231313022577243} is an apocalyptic number.

231313022577243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231313022577243 is a deficient number, since it is larger than the sum of its proper divisors (121676399146917).

231313022577243 is a wasteful number, since it uses less digits than its factorization.

231313022577243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183128 (or 15183125 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 231313022577243 in words is "two hundred thirty-one trillion, three hundred thirteen billion, twenty-two million, five hundred seventy-seven thousand, two hundred forty-three".