631604130115 has 16 divisors (see below), whose sum is σ = 889610761152. Its totient is φ = 421394569344.

The previous prime is 631604130107. The next prime is 631604130119. The reversal of 631604130115 is 511031406136.

It is not a de Polignac number, because 631604130115 - 2³ = 631604130107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631604130119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243861304 + ... + 243863893.

It is an arithmetic number, because the mean of its divisors is an integer number (55600672572).

Almost surely, 2^631604130115 is an apocalyptic number.

631604130115 is a deficient number, since it is larger than the sum of its proper divisors (258006631037).

631604130115 is a wasteful number, since it uses less digits than its factorization.

631604130115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487725246.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 631604130115 in words is "six hundred thirty-one billion, six hundred four million, one hundred thirty thousand, one hundred fifteen".