31324332132 has 72 divisors (see below), whose sum is σ = 83552152320. Its totient is φ = 9875226240.

The previous prime is 31324332103. The next prime is 31324332139. The reversal of 31324332132 is 23123342313.

31324332132 is a `hidden beast` number, since 3 + 1 + 324 + 332 + 1 + 3 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 31324332096 and 31324332105.

It is not an unprimeable number, because it can be changed into a prime (31324332139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138844 + ... + 286227.

It is an arithmetic number, because the mean of its divisors is an integer number (1160446560).

Almost surely, 2^31324332132 is an apocalyptic number.

It is an amenable number.

31324332132 is an abundant number, since it is smaller than the sum of its proper divisors (52227820188).

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

31324332132 is a wasteful number, since it uses less digits than its factorization.

31324332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425193 (or 425188 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 31324332132 its reverse (23123342313), we get a palindrome (54447674445).

The spelling of 31324332132 in words is "thirty-one billion, three hundred twenty-four million, three hundred thirty-two thousand, one hundred thirty-two".