311382972311 has 2 divisors, whose sum is σ = 311382972312. Its totient is φ = 311382972310.

The previous prime is 311382972203. The next prime is 311382972379. The reversal of 311382972311 is 113279283113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311382972311 - 2¹⁴ = 311382955927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311382972911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155691486155 + 155691486156.

It is an arithmetic number, because the mean of its divisors is an integer number (155691486156).

Almost surely, 2^311382972311 is an apocalyptic number.

311382972311 is a deficient number, since it is larger than the sum of its proper divisors (1).

311382972311 is an equidigital number, since it uses as much as digits as its factorization.

311382972311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The spelling of 311382972311 in words is "three hundred eleven billion, three hundred eighty-two million, nine hundred seventy-two thousand, three hundred eleven".