31027116 has 24 divisors (see below), whose sum is σ = 72970240. Its totient is φ = 10260432.

The previous prime is 31027109. The next prime is 31027141. The reversal of 31027116 is 61172013.

It is a junction number, because it is equal to n+sod(n) for n = 31027092 and 31027101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8656 + ... + 11703.

Almost surely, 2^31027116 is an apocalyptic number.

It is an amenable number.

31027116 is an abundant number, since it is smaller than the sum of its proper divisors (41943124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31027116 is a wasteful number, since it uses less digits than its factorization.

31027116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20493 (or 20491 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 31027116 is about 5570.1989192488. The cubic root of 31027116 is about 314.2296317482.

Adding to 31027116 its reverse (61172013), we get a palindrome (92199129).

The spelling of 31027116 in words is "thirty-one million, twenty-seven thousand, one hundred sixteen".