311123001139 has 2 divisors, whose sum is σ = 311123001140. Its totient is φ = 311123001138.

The previous prime is 311123001127. The next prime is 311123001149. The reversal of 311123001139 is 931100321113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311123001139 - 2⁹ = 311123000627 is a prime.

It is not a weakly prime, because it can be changed into another prime (311123001149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155561500569 + 155561500570.

It is an arithmetic number, because the mean of its divisors is an integer number (155561500570).

Almost surely, 2^311123001139 is an apocalyptic number.

311123001139 is a deficient number, since it is larger than the sum of its proper divisors (1).

311123001139 is an equidigital number, since it uses as much as digits as its factorization.

311123001139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 311123001139 in words is "three hundred eleven billion, one hundred twenty-three million, one thousand, one hundred thirty-nine".