31144755855 has 16 divisors (see below), whose sum is σ = 49899610080. Its totient is φ = 16587869568.

The previous prime is 31144755823. The next prime is 31144755869. The reversal of 31144755855 is 55855744113.

It is not a de Polignac number, because 31144755855 - 2⁵ = 31144755823 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1405320 + ... + 1427309.

It is an arithmetic number, because the mean of its divisors is an integer number (3118725630).

Almost surely, 2^31144755855 is an apocalyptic number.

31144755855 is a deficient number, since it is larger than the sum of its proper divisors (18754854225).

31144755855 is a wasteful number, since it uses less digits than its factorization.

31144755855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833370.

The product of its digits is 1680000, while the sum is 48.

The spelling of 31144755855 in words is "thirty-one billion, one hundred forty-four million, seven hundred fifty-five thousand, eight hundred fifty-five".