31496402 has 8 divisors (see below), whose sum is σ = 53993856. Its totient is φ = 13498452.

The previous prime is 31496389. The next prime is 31496417. The reversal of 31496402 is 20469413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1124858 + ... + 1124885.

It is an arithmetic number, because the mean of its divisors is an integer number (6749232).

Almost surely, 2^31496402 is an apocalyptic number.

31496402 is a deficient number, since it is larger than the sum of its proper divisors (22497454).

31496402 is a wasteful number, since it uses less digits than its factorization.

31496402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249752.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 31496402 is about 5612.1655356912. The cubic root of 31496402 is about 315.8059549478.

The spelling of 31496402 in words is "thirty-one million, four hundred ninety-six thousand, four hundred two".