311018102954693 has 2 divisors, whose sum is σ = 311018102954694. Its totient is φ = 311018102954692.

The previous prime is 311018102954653. The next prime is 311018102954701. The reversal of 311018102954693 is 396459201810113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310044551718724 + 973551235969 = 17608082^2 + 986687^2 .

It is a cyclic number.

It is not a de Polignac number, because 311018102954693 - 2⁸ = 311018102954437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311018102954633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155509051477346 + 155509051477347.

It is an arithmetic number, because the mean of its divisors is an integer number (155509051477347).

Almost surely, 2^{311018102954693} is an apocalyptic number.

It is an amenable number.

311018102954693 is a deficient number, since it is larger than the sum of its proper divisors (1).

311018102954693 is an equidigital number, since it uses as much as digits as its factorization.

311018102954693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 311018102954693 in words is "three hundred eleven trillion, eighteen billion, one hundred two million, nine hundred fifty-four thousand, six hundred ninety-three".