31204314340432 has 80 divisors (see below), whose sum is σ = 61484611161600. Its totient is φ = 15339499535360.

The previous prime is 31204314340399. The next prime is 31204314340501. The reversal of 31204314340432 is 23404341340213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230339757 + ... + 230475187.

It is an arithmetic number, because the mean of its divisors is an integer number (768557639520).

Almost surely, 2^{31204314340432} is an apocalyptic number.

It is an amenable number.

31204314340432 is a deficient number, since it is larger than the sum of its proper divisors (30280296821168).

31204314340432 is a wasteful number, since it uses less digits than its factorization.

31204314340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136444 (or 136438 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 31204314340432 its reverse (23404341340213), we get a palindrome (54608655680645).

The spelling of 31204314340432 in words is "thirty-one trillion, two hundred four billion, three hundred fourteen million, three hundred forty thousand, four hundred thirty-two".