31324012132 has 24 divisors (see below), whose sum is σ = 62756632064. Its totient is φ = 13401303552.

The previous prime is 31324012129. The next prime is 31324012163. The reversal of 31324012132 is 23121042313.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 953268 + ... + 985579.

Almost surely, 2^31324012132 is an apocalyptic number.

It is an amenable number.

31324012132 is an abundant number, since it is smaller than the sum of its proper divisors (31432619932).

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

31324012132 is a wasteful number, since it uses less digits than its factorization.

31324012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939435 (or 1939433 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31324012132 its reverse (23121042313), we get a palindrome (54445054445).

The spelling of 31324012132 in words is "thirty-one billion, three hundred twenty-four million, twelve thousand, one hundred thirty-two".