31614605421 has 12 divisors (see below), whose sum is σ = 49034898432. Its totient is φ = 18065488728.

The previous prime is 31614605389. The next prime is 31614605423. The reversal of 31614605421 is 12450641613.

It is not a de Polignac number, because 31614605421 - 2⁵ = 31614605389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31614605423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 107532525 + ... + 107532818.

It is an arithmetic number, because the mean of its divisors is an integer number (4086241536).

Almost surely, 2^31614605421 is an apocalyptic number.

It is an amenable number.

31614605421 is a deficient number, since it is larger than the sum of its proper divisors (17420293011).

31614605421 is a wasteful number, since it uses less digits than its factorization.

31614605421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215065360 (or 215065353 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 31614605421 in words is "thirty-one billion, six hundred fourteen million, six hundred five thousand, four hundred twenty-one".