231365563132 has 96 divisors (see below), whose sum is σ = 455817922560. Its totient is φ = 102703832000.

The previous prime is 231365563129. The next prime is 231365563133.

231365563132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231365563133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175409169 + ... + 175410487.

It is an arithmetic number, because the mean of its divisors is an integer number (4748103360).

Almost surely, 2^231365563132 is an apocalyptic number.

231365563132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231365563132 is a deficient number, since it is larger than the sum of its proper divisors (224452359428).

231365563132 is a wasteful number, since it uses less digits than its factorization.

231365563132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104 (or 2080 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

It can be divided in two parts, 231365 and 563132, that added together give a palindrome (794497).

The spelling of 231365563132 in words is "two hundred thirty-one billion, three hundred sixty-five million, five hundred sixty-three thousand, one hundred thirty-two".