231131010323223 has 16 divisors (see below), whose sum is σ = 362558447566560. Its totient is φ = 145023379026048.

The previous prime is 231131010323179. The next prime is 231131010323231. The reversal of 231131010323223 is 322323010131132.

231131010323223 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 310 + 1 + 0 + 323 + 2 + 23 = 666.

It is not a de Polignac number, because 231131010323223 - 2¹³ = 231131010315031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231131010323233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251776699240 + ... + 251776700157.

It is an arithmetic number, because the mean of its divisors is an integer number (22659902972910).

Almost surely, 2^{231131010323223} is an apocalyptic number.

231131010323223 is a deficient number, since it is larger than the sum of its proper divisors (131427437243337).

231131010323223 is a wasteful number, since it uses less digits than its factorization.

231131010323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503553399423 (or 503553399417 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231131010323223 its reverse (322323010131132), we get a palindrome (553454020454355).

The spelling of 231131010323223 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, ten million, three hundred twenty-three thousand, two hundred twenty-three".