31052118 has 32 divisors (see below), whose sum is σ = 65629440. Its totient is φ = 9767520.

The previous prime is 31052107. The next prime is 31052123. The reversal of 31052118 is 81125013.

It is a junction number, because it is equal to n+sod(n) for n = 31052094 and 31052103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47671 + ... + 48317.

It is an arithmetic number, because the mean of its divisors is an integer number (2050920).

Almost surely, 2^31052118 is an apocalyptic number.

31052118 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

31052118 is an abundant number, since it is smaller than the sum of its proper divisors (34577322).

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

31052118 is a wasteful number, since it uses less digits than its factorization.

31052118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 31052118 is about 5572.4427318726. The cubic root of 31052118 is about 314.3140123477.

The spelling of 31052118 in words is "thirty-one million, fifty-two thousand, one hundred eighteen".