31342922 has 32 divisors (see below), whose sum is σ = 53727744. Its totient is φ = 13608000.

The previous prime is 31342903. The next prime is 31342933. The reversal of 31342922 is 22924313.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 31342891 and 31342900.

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, 29297 + ... + 30347.

It is an arithmetic number, because the mean of its divisors is an integer number (1678992).

Almost surely, 2^31342922 is an apocalyptic number.

31342922 is a deficient number, since it is larger than the sum of its proper divisors (22384822).

31342922 is a wasteful number, since it uses less digits than its factorization.

31342922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its digits is 2592, while the sum is 26.

The square root of 31342922 is about 5598.4749709184. The cubic root of 31342922 is about 315.2921518997.

The spelling of 31342922 in words is "thirty-one million, three hundred forty-two thousand, nine hundred twenty-two".