311031001113817 has 2 divisors, whose sum is σ = 311031001113818. Its totient is φ = 311031001113816.

The previous prime is 311031001113809. The next prime is 311031001113829. The reversal of 311031001113817 is 718311100130113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302992891569481 + 8038109544336 = 17406691^2 + 2835156^2 .

It is a cyclic number.

It is not a de Polignac number, because 311031001113817 - 2³ = 311031001113809 is a prime.

It is not a weakly prime, because it can be changed into another prime (311031001113017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155515500556908 + 155515500556909.

It is an arithmetic number, because the mean of its divisors is an integer number (155515500556909).

Almost surely, 2^{311031001113817} is an apocalyptic number.

It is an amenable number.

311031001113817 is a deficient number, since it is larger than the sum of its proper divisors (1).

311031001113817 is an equidigital number, since it uses as much as digits as its factorization.

311031001113817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 311031001113817 in words is "three hundred eleven trillion, thirty-one billion, one million, one hundred thirteen thousand, eight hundred seventeen".