315631563080 has 32 divisors (see below), whose sum is σ = 717492376440. Its totient is φ = 124951050240.

The previous prime is 315631563047. The next prime is 315631563103. The reversal of 315631563080 is 80365136513.

It can be written as a sum of positive squares in 4 ways, for example, as 278338546084 + 37293016996 = 527578^2 + 193114^2 .

It is a super-2 number, since 2×315631563080² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40670291 + ... + 40678050.

Almost surely, 2^315631563080 is an apocalyptic number.

It is an amenable number.

315631563080 is an abundant number, since it is smaller than the sum of its proper divisors (401860813360).

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

315631563080 is a wasteful number, since it uses less digits than its factorization.

315631563080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81348449 (or 81348445 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

Adding to 315631563080 its reverse (80365136513), we get a palindrome (395996699593).

The spelling of 315631563080 in words is "three hundred fifteen billion, six hundred thirty-one million, five hundred sixty-three thousand, eighty".