311301323103157 has 2 divisors, whose sum is σ = 311301323103158. Its totient is φ = 311301323103156.

The previous prime is 311301323103151. The next prime is 311301323103223. The reversal of 311301323103157 is 751301323103113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240491891855601 + 70809431247556 = 15507801^2 + 8414834^2 .

It is a cyclic number.

It is not a de Polignac number, because 311301323103157 - 2¹⁵ = 311301323070389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311301323103151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155650661551578 + 155650661551579.

It is an arithmetic number, because the mean of its divisors is an integer number (155650661551579).

Almost surely, 2^{311301323103157} is an apocalyptic number.

It is an amenable number.

311301323103157 is a deficient number, since it is larger than the sum of its proper divisors (1).

311301323103157 is an equidigital number, since it uses as much as digits as its factorization.

311301323103157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The spelling of 311301323103157 in words is "three hundred eleven trillion, three hundred one billion, three hundred twenty-three million, one hundred three thousand, one hundred fifty-seven".