31496692 has 12 divisors (see below), whose sum is σ = 56463876. Its totient is φ = 15364160.

The previous prime is 31496677. The next prime is 31496693. The reversal of 31496692 is 29669413.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 28793956 = 1644^2 + 5366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31496693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95863 + ... + 96190.

It is an arithmetic number, because the mean of its divisors is an integer number (4705323).

Almost surely, 2^31496692 is an apocalyptic number.

It is an amenable number.

31496692 is a deficient number, since it is larger than the sum of its proper divisors (24967184).

31496692 is a wasteful number, since it uses less digits than its factorization.

31496692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192098 (or 192096 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 31496692 is about 5612.1913723607. The cubic root of 31496692 is about 315.8069241955.

The spelling of 31496692 in words is "thirty-one million, four hundred ninety-six thousand, six hundred ninety-two".