31448996 has 24 divisors (see below), whose sum is σ = 57177120. Its totient is φ = 15124032.

The previous prime is 31448987. The next prime is 31449017. The reversal of 31448996 is 69984413.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 10160 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (2382380).

Almost surely, 2^31448996 is an apocalyptic number.

It is an amenable number.

31448996 is a deficient number, since it is larger than the sum of its proper divisors (25728124).

31448996 is a wasteful number, since it uses less digits than its factorization.

31448996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2841 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 31448996 is about 5607.9404419091. The cubic root of 31448996 is about 315.6474329839.

The spelling of 31448996 in words is "thirty-one million, four hundred forty-eight thousand, nine hundred ninety-six".