631308347708523 has 32 divisors (see below), whose sum is σ = 855672307430400. Its totient is φ = 413940758040576.

The previous prime is 631308347708347. The next prime is 631308347708573. The reversal of 631308347708523 is 325807743803136.

It is not a de Polignac number, because 631308347708523 - 2⁹ = 631308347708011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631308347708573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4959270411 + ... + 4959397707.

It is an arithmetic number, because the mean of its divisors is an integer number (26739759607200).

Almost surely, 2^{631308347708523} is an apocalyptic number.

631308347708523 is a deficient number, since it is larger than the sum of its proper divisors (224363959721877).

631308347708523 is a wasteful number, since it uses less digits than its factorization.

631308347708523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190811.

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 631308347708523 in words is "six hundred thirty-one trillion, three hundred eight billion, three hundred forty-seven million, seven hundred eight thousand, five hundred twenty-three".