31094442 has 40 divisors (see below), whose sum is σ = 69998016. Its totient is φ = 10316808.

The previous prime is 31094429. The next prime is 31094443. The reversal of 31094442 is 24449013.

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

It is not an unprimeable number, because it can be changed into a prime (31094443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59193 + ... + 59715.

Almost surely, 2^31094442 is an apocalyptic number.

31094442 is an abundant number, since it is smaller than the sum of its proper divisors (38903574).

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

31094442 is a wasteful number, since it uses less digits than its factorization.

31094442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 31094442 is about 5576.2390551338. The cubic root of 31094442 is about 314.4567507252.

The spelling of 31094442 in words is "thirty-one million, ninety-four thousand, four hundred forty-two".