231330134313 has 48 divisors (see below), whose sum is σ = 354640104000. Its totient is φ = 144897517440.

The previous prime is 231330134207. The next prime is 231330134323. The reversal of 231330134313 is 313431033132.

231330134313 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 301 + 343 + 13 = 666.

It is not a de Polignac number, because 231330134313 - 2¹⁰ = 231330133289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231330134323) 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, 17242578 + ... + 17255988.

It is an arithmetic number, because the mean of its divisors is an integer number (7388335500).

Almost surely, 2^231330134313 is an apocalyptic number.

It is an amenable number.

231330134313 is a deficient number, since it is larger than the sum of its proper divisors (123309969687).

231330134313 is a wasteful number, since it uses less digits than its factorization.

231330134313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 14259 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 231330134313 its reverse (313431033132), we get a palindrome (544761167445).

The spelling of 231330134313 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thirty-four thousand, three hundred thirteen".