31869340948 has 12 divisors (see below), whose sum is σ = 56957971392. Its totient is φ = 15595634840.

The previous prime is 31869340933. The next prime is 31869340949. The reversal of 31869340948 is 84904396813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31869340949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84758698 + ... + 84759073.

It is an arithmetic number, because the mean of its divisors is an integer number (4746497616).

Almost surely, 2^31869340948 is an apocalyptic number.

It is an amenable number.

31869340948 is a deficient number, since it is larger than the sum of its proper divisors (25088630444).

31869340948 is a wasteful number, since it uses less digits than its factorization.

31869340948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169517822 (or 169517820 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 31869340948 in words is "thirty-one billion, eight hundred sixty-nine million, three hundred forty thousand, nine hundred forty-eight".