31016116 has 12 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 15448568.

The previous prime is 31016107. The next prime is 31016119. The reversal of 31016116 is 61161013.

It is a junction number, because it is equal to n+sod(n) for n = 31016093 and 31016102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31016119) 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, 13690 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^31016116 is an apocalyptic number.

It is an amenable number.

31016116 is a deficient number, since it is larger than the sum of its proper divisors (23470316).

31016116 is a wasteful number, since it uses less digits than its factorization.

31016116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29750 (or 29748 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 31016116 is about 5569.2114343056. The cubic root of 31016116 is about 314.1924928951.

Adding to 31016116 its reverse (61161013), we get a palindrome (92177129).

The spelling of 31016116 in words is "thirty-one million, sixteen thousand, one hundred sixteen".