31916063539 has 8 divisors (see below), whose sum is σ = 31952337120. Its totient is φ = 31879812096.

The previous prime is 31916063537. The next prime is 31916063639. The reversal of 31916063539 is 93536061913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31916063539 - 2¹ = 31916063537 is a prime.

It is a super-2 number, since 2×31916063539² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31916063537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5643037 + ... + 5648689.

It is an arithmetic number, because the mean of its divisors is an integer number (3994042140).

Almost surely, 2^31916063539 is an apocalyptic number.

31916063539 is a deficient number, since it is larger than the sum of its proper divisors (36273581).

31916063539 is a wasteful number, since it uses less digits than its factorization.

31916063539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069.

The product of its (nonzero) digits is 393660, while the sum is 46.

The spelling of 31916063539 in words is "thirty-one billion, nine hundred sixteen million, sixty-three thousand, five hundred thirty-nine".