316771221472356 has 48 divisors (see below), whose sum is σ = 845582589379584. Its totient is φ = 90413991979296.

The previous prime is 316771221472339. The next prime is 316771221472483. The reversal of 316771221472356 is 653274122177613.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 316771221472296 and 316771221472305.

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, 1918068990 + ... + 1918234133.

It is an arithmetic number, because the mean of its divisors is an integer number (17616303945408).

Almost surely, 2^{316771221472356} is an apocalyptic number.

It is an amenable number.

316771221472356 is an abundant number, since it is smaller than the sum of its proper divisors (528811367907228).

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

316771221472356 is a wasteful number, since it uses less digits than its factorization.

316771221472356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836304120 (or 3836304118 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The spelling of 316771221472356 in words is "three hundred sixteen trillion, seven hundred seventy-one billion, two hundred twenty-one million, four hundred seventy-two thousand, three hundred fifty-six".