31119042 has 16 divisors (see below), whose sum is σ = 62687520. Its totient is φ = 10298112.

The previous prime is 31119037. The next prime is 31119043. The reversal of 31119042 is 24091113.

It is not an unprimeable number, because it can be changed into a prime (31119043) 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, 17823 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (3917970).

Almost surely, 2^31119042 is an apocalyptic number.

31119042 is an abundant number, since it is smaller than the sum of its proper divisors (31568478).

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

31119042 is a wasteful number, since it uses less digits than its factorization.

31119042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37457.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 31119042 is about 5578.4444068217. Note that the first 4 decimals coincide. The cubic root of 31119042 is about 314.5396551124.

The spelling of 31119042 in words is "thirty-one million, one hundred nineteen thousand, forty-two".