231708053233 has 18 divisors (see below), whose sum is σ = 239622913446. Its totient is φ = 224011075392.

The previous prime is 231708053231. The next prime is 231708053273. The reversal of 231708053233 is 332350807132.

It can be written as a sum of positive squares in 3 ways, for example, as 86076518544 + 145631534689 = 293388^2 + 381617^2 .

It is not a de Polignac number, because 231708053233 - 2¹ = 231708053231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231708053192 and 231708053201.

It is not an unprimeable number, because it can be changed into a prime (231708053231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 217975060 + ... + 217976122.

Almost surely, 2^231708053233 is an apocalyptic number.

It is an amenable number.

231708053233 is a deficient number, since it is larger than the sum of its proper divisors (7914860213).

231708053233 is an frugal number, since it uses more digits than its factorization.

231708053233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 231708053233 in words is "two hundred thirty-one billion, seven hundred eight million, fifty-three thousand, two hundred thirty-three".