320031112997 has 2 divisors, whose sum is σ = 320031112998. Its totient is φ = 320031112996.

The previous prime is 320031112963. The next prime is 320031113057. The reversal of 320031112997 is 799211130023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314228634721 + 5802478276 = 560561^2 + 76174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320031112997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320031112997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320031112097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160015556498 + 160015556499.

It is an arithmetic number, because the mean of its divisors is an integer number (160015556499).

Almost surely, 2^320031112997 is an apocalyptic number.

It is an amenable number.

320031112997 is a deficient number, since it is larger than the sum of its proper divisors (1).

320031112997 is an equidigital number, since it uses as much as digits as its factorization.

320031112997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 320031112997 in words is "three hundred twenty billion, thirty-one million, one hundred twelve thousand, nine hundred ninety-seven".