31116057 has 8 divisors (see below), whose sum is σ = 47414976. Its totient is φ = 17780592.

The previous prime is 31116013. The next prime is 31116067. The reversal of 31116057 is 75061113.

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

It is not a de Polignac number, because 31116057 - 2⁸ = 31115801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31116067) 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, 740838 + ... + 740879.

It is an arithmetic number, because the mean of its divisors is an integer number (5926872).

Almost surely, 2^31116057 is an apocalyptic number.

It is an amenable number.

31116057 is a deficient number, since it is larger than the sum of its proper divisors (16298919).

31116057 is a wasteful number, since it uses less digits than its factorization.

31116057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481727.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 31116057 is about 5578.1768527002. The cubic root of 31116057 is about 314.5295977024.

The spelling of 31116057 in words is "thirty-one million, one hundred sixteen thousand, fifty-seven".