31868539448 has 16 divisors (see below), whose sum is σ = 59862758280. Its totient is φ = 15905137248.

The previous prime is 31868539429. The next prime is 31868539477. The reversal of 31868539448 is 84493586813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636911 + ... + 3645662.

Almost surely, 2^31868539448 is an apocalyptic number.

It is an amenable number.

31868539448 is a deficient number, since it is larger than the sum of its proper divisors (27994218832).

31868539448 is a wasteful number, since it uses less digits than its factorization.

31868539448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283126 (or 7283122 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 31868539448 in words is "thirty-one billion, eight hundred sixty-eight million, five hundred thirty-nine thousand, four hundred forty-eight".