31496448 has 36 divisors (see below), whose sum is σ = 83828528. Its totient is φ = 10498560.

The previous prime is 31496441. The next prime is 31496449. The reversal of 31496448 is 84469413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31496441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19738 + ... + 21273.

Almost surely, 2^31496448 is an apocalyptic number.

It is an amenable number.

31496448 is an abundant number, since it is smaller than the sum of its proper divisors (52332080).

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

31496448 is an equidigital number, since it uses as much as digits as its factorization.

31496448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41030 (or 41016 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 31496448 is about 5612.1696339295. The cubic root of 31496448 is about 315.8061086909.

The spelling of 31496448 in words is "thirty-one million, four hundred ninety-six thousand, four hundred forty-eight".