3120231718073 has 2 divisors, whose sum is σ = 3120231718074. Its totient is φ = 3120231718072.

The previous prime is 3120231718069. The next prime is 3120231718091. The reversal of 3120231718073 is 3708171320213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722407600784 + 397824117289 = 1649972^2 + 630733^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120231718073 - 2² = 3120231718069 is a prime.

It is not a weakly prime, because it can be changed into another prime (3120231718033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560115859036 + 1560115859037.

It is an arithmetic number, because the mean of its divisors is an integer number (1560115859037).

Almost surely, 2^{3120231718073} is an apocalyptic number.

It is an amenable number.

3120231718073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120231718073 is an equidigital number, since it uses as much as digits as its factorization.

3120231718073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 3120231718073 in words is "three trillion, one hundred twenty billion, two hundred thirty-one million, seven hundred eighteen thousand, seventy-three".