31204200132 has 384 divisors, whose sum is σ = 97813094400. Its totient is φ = 8418816000.

The previous prime is 31204200113. The next prime is 31204200149. The reversal of 31204200132 is 23100240213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 206650257 + ... + 206650407.

It is an arithmetic number, because the mean of its divisors is an integer number (254721600).

Almost surely, 2^31204200132 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 31204200132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48906547200).

31204200132 is an abundant number, since it is smaller than the sum of its proper divisors (66608894268).

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

31204200132 is a wasteful number, since it uses less digits than its factorization.

31204200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31204200132 its reverse (23100240213), we get a palindrome (54304440345).

The spelling of 31204200132 in words is "thirty-one billion, two hundred four million, two hundred thousand, one hundred thirty-two".