31300324132 has 96 divisors (see below), whose sum is σ = 69320401920. Its totient is φ = 12012624000.

The previous prime is 31300324091. The next prime is 31300324151. The reversal of 31300324132 is 23142300313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5605582 + ... + 5611162.

It is an arithmetic number, because the mean of its divisors is an integer number (722087520).

Almost surely, 2^31300324132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31300324132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34660200960).

31300324132 is an abundant number, since it is smaller than the sum of its proper divisors (38020077788).

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

31300324132 is a wasteful number, since it uses less digits than its factorization.

31300324132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31300324132 its reverse (23142300313), we get a palindrome (54442624445).

The spelling of 31300324132 in words is "thirty-one billion, three hundred million, three hundred twenty-four thousand, one hundred thirty-two".