31424982 has 16 divisors (see below), whose sum is σ = 62983872. Its totient is φ = 10452680.

The previous prime is 31424977. The next prime is 31424989. The reversal of 31424982 is 28942413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (3936492).

Almost surely, 2^31424982 is an apocalyptic number.

31424982 is an abundant number, since it is smaller than the sum of its proper divisors (31558890).

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

31424982 is a wasteful number, since it uses less digits than its factorization.

31424982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163.

The product of its digits is 13824, while the sum is 33.

The square root of 31424982 is about 5605.7989617895. The cubic root of 31424982 is about 315.5670712495.

The spelling of 31424982 in words is "thirty-one million, four hundred twenty-four thousand, nine hundred eighty-two".