231639585936132 has 48 divisors (see below), whose sum is σ = 589640359762944. Its totient is φ = 70192346916000.

The previous prime is 231639585936071. The next prime is 231639585936133.

231639585936132 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (231639585936133) 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, 11989344 + ... + 24637847.

It is an arithmetic number, because the mean of its divisors is an integer number (12284174161728).

Almost surely, 2^{231639585936132} is an apocalyptic number.

231639585936132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231639585936132 is an abundant number, since it is smaller than the sum of its proper divisors (358000773826812).

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

231639585936132 is a wasteful number, since it uses less digits than its factorization.

231639585936132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36675120 (or 36675118 counting only the distinct ones).

The product of its digits is 188956800, while the sum is 66.

The spelling of 231639585936132 in words is "two hundred thirty-one trillion, six hundred thirty-nine billion, five hundred eighty-five million, nine hundred thirty-six thousand, one hundred thirty-two".