31457142886 has 16 divisors (see below), whose sum is σ = 50820444864. Its totient is φ = 14517235584.

The previous prime is 31457142877. The next prime is 31457142889. The reversal of 31457142886 is 68824175413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31457142889) 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, 232771 + ... + 342193.

It is an arithmetic number, because the mean of its divisors is an integer number (3176277804).

Almost surely, 2^31457142886 is an apocalyptic number.

31457142886 is a deficient number, since it is larger than the sum of its proper divisors (19363301978).

31457142886 is a wasteful number, since it uses less digits than its factorization.

31457142886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120495.

The product of its digits is 1290240, while the sum is 49.

The spelling of 31457142886 in words is "thirty-one billion, four hundred fifty-seven million, one hundred forty-two thousand, eight hundred eighty-six".