31607414521 has 16 divisors (see below), whose sum is σ = 32104641600. Its totient is φ = 31113739008.

The previous prime is 31607414519. The next prime is 31607414533. The reversal of 31607414521 is 12541470613.

It is a cyclic number.

It is not a de Polignac number, because 31607414521 - 2¹ = 31607414519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31607114521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28812045 + ... + 28813141.

It is an arithmetic number, because the mean of its divisors is an integer number (2006540100).

Almost surely, 2^31607414521 is an apocalyptic number.

It is an amenable number.

31607414521 is a deficient number, since it is larger than the sum of its proper divisors (497227079).

31607414521 is a wasteful number, since it uses less digits than its factorization.

31607414521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 31607414521 in words is "thirty-one billion, six hundred seven million, four hundred fourteen thousand, five hundred twenty-one".