311230100112319 has 2 divisors, whose sum is σ = 311230100112320. Its totient is φ = 311230100112318.

The previous prime is 311230100112317. The next prime is 311230100112389. The reversal of 311230100112319 is 913211001032113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311230100112319 - 2¹ = 311230100112317 is a prime.

It is a super-2 number, since 2×311230100112319² (a number of 30 digits) contains 22 as substring.

Together with 311230100112317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230100112317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615050056159 + 155615050056160.

It is an arithmetic number, because the mean of its divisors is an integer number (155615050056160).

Almost surely, 2^{311230100112319} is an apocalyptic number.

311230100112319 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230100112319 is an equidigital number, since it uses as much as digits as its factorization.

311230100112319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 311230100112319 in words is "three hundred eleven trillion, two hundred thirty billion, one hundred million, one hundred twelve thousand, three hundred nineteen".