231624426132 has 72 divisors (see below), whose sum is σ = 638921922912. Its totient is φ = 70167240000.

The previous prime is 231624426107. The next prime is 231624426139.

231624426132 is a `hidden beast` number, since 2 + 3 + 1 + 624 + 4 + 26 + 1 + 3 + 2 = 666.

231624426132 is nontrivially palindromic in base 10.

231624426132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231624426139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197438 + ... + 1377354.

It is an arithmetic number, because the mean of its divisors is an integer number (8873915596).

Almost surely, 2^231624426132 is an apocalyptic number.

231624426132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231624426132 is an abundant number, since it is smaller than the sum of its proper divisors (407297496780).

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

231624426132 is a wasteful number, since it uses less digits than its factorization.

231624426132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183189 (or 183184 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 231624 and 426132, that added together give a palindrome (657756).

The spelling of 231624426132 in words is "two hundred thirty-one billion, six hundred twenty-four million, four hundred twenty-six thousand, one hundred thirty-two".