31274496 has 120 divisors (see below), whose sum is σ = 98625384. Its totient is φ = 9461760.

The previous prime is 31274491. The next prime is 31274519. The reversal of 31274496 is 69447213.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 31274496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31274491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50380 + ... + 50996.

Almost surely, 2^31274496 is an apocalyptic number.

31274496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31274496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49312692).

31274496 is an abundant number, since it is smaller than the sum of its proper divisors (67350888).

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

31274496 is a wasteful number, since it uses less digits than its factorization.

31274496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 633 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 31274496 is about 5592.3605034010. The cubic root of 31274496 is about 315.0625423813.

The spelling of 31274496 in words is "thirty-one million, two hundred seventy-four thousand, four hundred ninety-six".