311421023310377 has 2 divisors, whose sum is σ = 311421023310378. Its totient is φ = 311421023310376.

The previous prime is 311421023310323. The next prime is 311421023310379. The reversal of 311421023310377 is 773013320124113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157448389048336 + 153972634262041 = 12547844^2 + 12408571^2 .

It is a cyclic number.

It is not a de Polignac number, because 311421023310377 - 2³⁴ = 311403843441193 is a prime.

It is a super-3 number, since 3×311421023310377³ (a number of 44 digits) contains 333 as substring.

Together with 311421023310379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311421023310377.

It is not a weakly prime, because it can be changed into another prime (311421023310379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155710511655188 + 155710511655189.

It is an arithmetic number, because the mean of its divisors is an integer number (155710511655189).

Almost surely, 2^{311421023310377} is an apocalyptic number.

It is an amenable number.

311421023310377 is a deficient number, since it is larger than the sum of its proper divisors (1).

311421023310377 is an equidigital number, since it uses as much as digits as its factorization.

311421023310377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 311421023310377 in words is "three hundred eleven trillion, four hundred twenty-one billion, twenty-three million, three hundred ten thousand, three hundred seventy-seven".