31496704 has 40 divisors (see below), whose sum is σ = 63442368. Its totient is φ = 15621120.

The previous prime is 31496693. The next prime is 31496719. The reversal of 31496704 is 40769413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31496704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116089 + ... + 116359.

Almost surely, 2^31496704 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 31496704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31721184).

31496704 is an abundant number, since it is smaller than the sum of its proper divisors (31945664).

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

31496704 is an equidigital number, since it uses as much as digits as its factorization.

31496704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 31496704 is about 5612.1924414617. The cubic root of 31496704 is about 315.8069643022.

The spelling of 31496704 in words is "thirty-one million, four hundred ninety-six thousand, seven hundred four".