101311431155279 has 2 divisors, whose sum is σ = 101311431155280. Its totient is φ = 101311431155278.

The previous prime is 101311431155203. The next prime is 101311431155281. The reversal of 101311431155279 is 972551134113101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101311431155279 is a prime.

It is a Sophie Germain prime.

Together with 101311431155281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101311431152279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50655715577639 + 50655715577640.

It is an arithmetic number, because the mean of its divisors is an integer number (50655715577640).

Almost surely, 2^{101311431155279} is an apocalyptic number.

101311431155279 is a deficient number, since it is larger than the sum of its proper divisors (1).

101311431155279 is an equidigital number, since it uses as much as digits as its factorization.

101311431155279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 44.

The spelling of 101311431155279 in words is "one hundred one trillion, three hundred eleven billion, four hundred thirty-one million, one hundred fifty-five thousand, two hundred seventy-nine".