231323013033 has 12 divisors (see below), whose sum is σ = 358786714320. Its totient is φ = 132184578792.

The previous prime is 231323013017. The next prime is 231323013043. The reversal of 231323013033 is 330310323132.

It is not a de Polignac number, because 231323013033 - 2⁴ = 231323013017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231323012994 and 231323013012.

It is not an unprimeable number, because it can be changed into a prime (231323013043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786812823 + ... + 786813116.

It is an arithmetic number, because the mean of its divisors is an integer number (29898892860).

Almost surely, 2^231323013033 is an apocalyptic number.

It is an amenable number.

231323013033 is a deficient number, since it is larger than the sum of its proper divisors (127463701287).

231323013033 is a wasteful number, since it uses less digits than its factorization.

231323013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573625956 (or 1573625949 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 231323013033 its reverse (330310323132), we get a palindrome (561633336165).

The spelling of 231323013033 in words is "two hundred thirty-one billion, three hundred twenty-three million, thirteen thousand, thirty-three".