631316004630 has 32 divisors (see below), whose sum is σ = 1517784377184. Its totient is φ = 168059160576.

The previous prime is 631316004593. The next prime is 631316004667. The reversal of 631316004630 is 36400613136.

It is an interprime number because it is at equal distance from previous prime (631316004593) and next prime (631316004667).

It is a junction number, because it is equal to n+sod(n) for n = 631316004591 and 631316004600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18218277 + ... + 18252896.

It is an arithmetic number, because the mean of its divisors is an integer number (47430761787).

Almost surely, 2^631316004630 is an apocalyptic number.

631316004630 is an abundant number, since it is smaller than the sum of its proper divisors (886468372554).

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

631316004630 is a wasteful number, since it uses less digits than its factorization.

631316004630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36471760.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 631316004630 its reverse (36400613136), we get a palindrome (667716617766).

The spelling of 631316004630 in words is "six hundred thirty-one billion, three hundred sixteen million, four thousand, six hundred thirty".