316920360981 has 128 divisors (see below), whose sum is σ = 542310400000. Its totient is φ = 163905094080.

The previous prime is 316920360917. The next prime is 316920361003. The reversal of 316920360981 is 189063029613.

It is not a de Polignac number, because 316920360981 - 2⁶ = 316920360917 is a prime.

It is a super-2 number, since 2×316920360981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316920360981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316920370981) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 47877090 + ... + 47883708.

It is an arithmetic number, because the mean of its divisors is an integer number (4236800000).

Almost surely, 2^316920360981 is an apocalyptic number.

316920360981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

316920360981 is a deficient number, since it is larger than the sum of its proper divisors (225390039019).

316920360981 is a wasteful number, since it uses less digits than its factorization.

316920360981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 316920360981 in words is "three hundred sixteen billion, nine hundred twenty million, three hundred sixty thousand, nine hundred eighty-one".