31096896 has 56 divisors (see below), whose sum is σ = 82905600. Its totient is φ = 10286592.

The previous prime is 31096883. The next prime is 31096907. The reversal of 31096896 is 69869013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28065 + ... + 29151.

Almost surely, 2^31096896 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 31096896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41452800).

31096896 is an abundant number, since it is smaller than the sum of its proper divisors (51808704).

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

31096896 is a wasteful number, since it uses less digits than its factorization.

31096896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 31096896 is about 5576.4590915742. The cubic root of 31096896 is about 314.4650229063.

The spelling of 31096896 in words is "thirty-one million, ninety-six thousand, eight hundred ninety-six".