31344000432 has 20 divisors (see below), whose sum is σ = 80972001240. Its totient is φ = 10448000128.

The previous prime is 31344000407. The next prime is 31344000451. The reversal of 31344000432 is 23400044313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326499957 + ... + 326500052.

It is an arithmetic number, because the mean of its divisors is an integer number (4048600062).

Almost surely, 2^31344000432 is an apocalyptic number.

It is an amenable number.

31344000432 is an abundant number, since it is smaller than the sum of its proper divisors (49628000808).

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

31344000432 is a wasteful number, since it uses less digits than its factorization.

31344000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653000020 (or 653000014 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31344000432 its reverse (23400044313), we get a palindrome (54744044745).

The spelling of 31344000432 in words is "thirty-one billion, three hundred forty-four million, four hundred thirty-two", and thus it is an aban number.