631613316136 has 16 divisors (see below), whose sum is σ = 1291936328640. Its totient is φ = 287096961840.

The previous prime is 631613316133. The next prime is 631613316157.

631613316136 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×631613316136² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (631613316133) by changing a digit.

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, 3588711936 + ... + 3588712111.

It is an arithmetic number, because the mean of its divisors is an integer number (80746020540).

Almost surely, 2^631613316136 is an apocalyptic number.

It is an amenable number.

631613316136 is an abundant number, since it is smaller than the sum of its proper divisors (660323012504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631613316136 is a wasteful number, since it uses less digits than its factorization.

631613316136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177424064 (or 7177424060 counting only the distinct ones).

The product of its digits is 104976, while the sum is 40.

It can be divided in two parts, 631613 and 316136, that added together give a palindrome (947749).

The spelling of 631613316136 in words is "six hundred thirty-one billion, six hundred thirteen million, three hundred sixteen thousand, one hundred thirty-six".