31575363686416 has 45 divisors (see below), whose sum is σ = 67244960680093. Its totient is φ = 14352325655360.

The previous prime is 31575363686401. The next prime is 31575363686443. The reversal of 31575363686416 is 61468636357513.

The square root of 31575363686416 is 5619196.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12284996960016 + 19290366726400 = 3504996^2 + 4392080^2 .

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 247180770 + ... + 247308478.

Almost surely, 2^{31575363686416} is an apocalyptic number.

31575363686416 is the 5619196-th square number.

It is an amenable number.

31575363686416 is an abundant number, since it is smaller than the sum of its proper divisors (35669596993677).

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

31575363686416 is an frugal number, since it uses more digits than its factorization.

31575363686416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255448 (or 127722 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 64.

The spelling of 31575363686416 in words is "thirty-one trillion, five hundred seventy-five billion, three hundred sixty-three million, six hundred eighty-six thousand, four hundred sixteen".