231310312013233 has 8 divisors (see below), whose sum is σ = 233707255354440. Its totient is φ = 228913619712000.

The previous prime is 231310312013021. The next prime is 231310312013237. The reversal of 231310312013233 is 332310213013132.

It is a happy number.

231310312013233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12394821514384 + 218915490498849 = 3520628^2 + 14795793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231310312013233 - 2³³ = 231301722078641 is a prime.

It is a super-2 number, since 2×231310312013233² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231310312013237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60907348 + ... + 64593541.

It is an arithmetic number, because the mean of its divisors is an integer number (29213406919305).

Almost surely, 2^{231310312013233} is an apocalyptic number.

It is an amenable number.

231310312013233 is a deficient number, since it is larger than the sum of its proper divisors (2396943341207).

231310312013233 is a wasteful number, since it uses less digits than its factorization.

231310312013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125519987.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 231310312013233 its reverse (332310213013132), we get a palindrome (563620525026365).

The spelling of 231310312013233 in words is "two hundred thirty-one trillion, three hundred ten billion, three hundred twelve million, thirteen thousand, two hundred thirty-three".