31234422 has 24 divisors (see below), whose sum is σ = 64560888. Its totient is φ = 10073760.

The previous prime is 31234417. The next prime is 31234433. The reversal of 31234422 is 22443213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (2690037).

Almost surely, 2^31234422 is an apocalyptic number.

31234422 is an abundant number, since it is smaller than the sum of its proper divisors (33326466).

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

31234422 is a wasteful number, since it uses less digits than its factorization.

31234422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5453 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 31234422 is about 5588.7764313846. The cubic root of 31234422 is about 314.9279149741.

Adding to 31234422 its reverse (22443213), we get a palindrome (53677635).

The spelling of 31234422 in words is "thirty-one million, two hundred thirty-four thousand, four hundred twenty-two".