32131315400 has 24 divisors (see below), whose sum is σ = 74705308770. Its totient is φ = 12852526080.

The previous prime is 32131315387. The next prime is 32131315421. The reversal of 32131315400 is 451313123.

It can be written as a sum of positive squares in 3 ways, for example, as 17586472996 + 14544842404 = 132614^2 + 120602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80328089 + ... + 80328488.

Almost surely, 2^32131315400 is an apocalyptic number.

It is an amenable number.

32131315400 is an abundant number, since it is smaller than the sum of its proper divisors (42573993370).

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

32131315400 is a wasteful number, since it uses less digits than its factorization.

32131315400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160656593 (or 160656584 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 32131315400 its reverse (451313123), we get a palindrome (32582628523).

The spelling of 32131315400 in words is "thirty-two billion, one hundred thirty-one million, three hundred fifteen thousand, four hundred".