310320230993 has 2 divisors, whose sum is σ = 310320230994. Its totient is φ = 310320230992.

The previous prime is 310320230989. The next prime is 310320231049. The reversal of 310320230993 is 399032023013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276784366609 + 33535864384 = 526103^2 + 183128^2 .

It is a cyclic number.

It is not a de Polignac number, because 310320230993 - 2² = 310320230989 is a prime.

It is not a weakly prime, because it can be changed into another prime (310320230293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155160115496 + 155160115497.

It is an arithmetic number, because the mean of its divisors is an integer number (155160115497).

Almost surely, 2^310320230993 is an apocalyptic number.

It is an amenable number.

310320230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

310320230993 is an equidigital number, since it uses as much as digits as its factorization.

310320230993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 310320230993 in words is "three hundred ten billion, three hundred twenty million, two hundred thirty thousand, nine hundred ninety-three".