31118094 has 56 divisors (see below), whose sum is σ = 80007600. Its totient is φ = 8887968.

The previous prime is 31118077. The next prime is 31118099. The reversal of 31118094 is 49081113.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31118099) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8682 + ... + 11730.

Almost surely, 2^31118094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31118094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40003800).

31118094 is an abundant number, since it is smaller than the sum of its proper divisors (48889506).

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

31118094 is an equidigital number, since it uses as much as digits as its factorization.

31118094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 31118094 is about 5578.3594362501. The cubic root of 31118094 is about 314.5364610700.

The spelling of 31118094 in words is "thirty-one million, one hundred eighteen thousand, ninety-four".