311122053023 has 2 divisors, whose sum is σ = 311122053024. Its totient is φ = 311122053022.

The previous prime is 311122053019. The next prime is 311122053079. The reversal of 311122053023 is 320350221113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311122053023 - 2² = 311122053019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311122053023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311122053323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155561026511 + 155561026512.

It is an arithmetic number, because the mean of its divisors is an integer number (155561026512).

Almost surely, 2^311122053023 is an apocalyptic number.

311122053023 is a deficient number, since it is larger than the sum of its proper divisors (1).

311122053023 is an equidigital number, since it uses as much as digits as its factorization.

311122053023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 311122053023 its reverse (320350221113), we get a palindrome (631472274136).

The spelling of 311122053023 in words is "three hundred eleven billion, one hundred twenty-two million, fifty-three thousand, twenty-three".