31422696 has 64 divisors (see below), whose sum is σ = 81388800. Its totient is φ = 10103808.

The previous prime is 31422679. The next prime is 31422733. The reversal of 31422696 is 69622413.

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, 100236 + ... + 100548.

It is an arithmetic number, because the mean of its divisors is an integer number (1271700).

Almost surely, 2^31422696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31422696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40694400).

31422696 is an abundant number, since it is smaller than the sum of its proper divisors (49966104).

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

31422696 is a wasteful number, since it uses less digits than its factorization.

31422696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 454 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 31422696 is about 5605.5950620786. The cubic root of 31422696 is about 315.5594191229.

The spelling of 31422696 in words is "thirty-one million, four hundred twenty-two thousand, six hundred ninety-six".