31077016 has 16 divisors (see below), whose sum is σ = 59691240. Its totient is φ = 15159360.

The previous prime is 31076977. The next prime is 31077017. The reversal of 31077016 is 61077013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31077017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47046 + ... + 47701.

Almost surely, 2^31077016 is an apocalyptic number.

It is an amenable number.

31077016 is a deficient number, since it is larger than the sum of its proper divisors (28614224).

31077016 is a wasteful number, since it uses less digits than its factorization.

31077016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94794 (or 94790 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 31077016 is about 5574.6763134733. The cubic root of 31077016 is about 314.3979969528.

The spelling of 31077016 in words is "thirty-one million, seventy-seven thousand, sixteen".