231352253132 has 96 divisors (see below), whose sum is σ = 548090586624. Its totient is φ = 83203433280.

The previous prime is 231352253123. The next prime is 231352253147.

231352253132 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245723 + ... + 723245.

It is an arithmetic number, because the mean of its divisors is an integer number (5709276944).

Almost surely, 2^231352253132 is an apocalyptic number.

231352253132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231352253132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274045293312).

231352253132 is an abundant number, since it is smaller than the sum of its proper divisors (316738333492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231352253132 is a wasteful number, since it uses less digits than its factorization.

231352253132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477580 (or 477556 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

It can be divided in two parts, 231352 and 253132, that added together give a palindrome (484484).

The spelling of 231352253132 in words is "two hundred thirty-one billion, three hundred fifty-two million, two hundred fifty-three thousand, one hundred thirty-two".