313781132863 has 24 divisors (see below), whose sum is σ = 345819950000. Its totient is φ = 284495777280.

The previous prime is 313781132831. The next prime is 313781132879. The reversal of 313781132863 is 368231187313.

It is not a de Polignac number, because 313781132863 - 2⁵ = 313781132831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313781132893) 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 23 ways as a sum of consecutive naturals, for example, 97174333 + ... + 97177561.

Almost surely, 2^313781132863 is an apocalyptic number.

313781132863 is a deficient number, since it is larger than the sum of its proper divisors (32038817137).

313781132863 is a wasteful number, since it uses less digits than its factorization.

313781132863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143 (or 5132 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

It can be divided in two parts, 313781 and 132863, that added together give a palindrome (446644).

The spelling of 313781132863 in words is "three hundred thirteen billion, seven hundred eighty-one million, one hundred thirty-two thousand, eight hundred sixty-three".