231313313132 has 12 divisors (see below), whose sum is σ = 441598143336. Its totient is φ = 105142415040.

The previous prime is 231313313057. The next prime is 231313313137.

231313313132 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (231313313137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628560333 + ... + 2628560420.

It is an arithmetic number, because the mean of its divisors is an integer number (36799845278).

Almost surely, 2^231313313132 is an apocalyptic number.

231313313132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231313313132 is a deficient number, since it is larger than the sum of its proper divisors (210284830204).

231313313132 is a wasteful number, since it uses less digits than its factorization.

231313313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257120768 (or 5257120766 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

It can be divided in two parts, 231313 and 313132, that added together give a palindrome (544445).

The spelling of 231313313132 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, one hundred thirty-two".