309196423542311 has 2 divisors, whose sum is σ = 309196423542312. Its totient is φ = 309196423542310.

The previous prime is 309196423542197. The next prime is 309196423542371. The reversal of 309196423542311 is 113245324691903.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-309196423542311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (309196423542371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154598211771155 + 154598211771156.

It is an arithmetic number, because the mean of its divisors is an integer number (154598211771156).

Almost surely, 2^{309196423542311} is an apocalyptic number.

309196423542311 is a deficient number, since it is larger than the sum of its proper divisors (1).

309196423542311 is an equidigital number, since it uses as much as digits as its factorization.

309196423542311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 309196423542311 in words is "three hundred nine trillion, one hundred ninety-six billion, four hundred twenty-three million, five hundred forty-two thousand, three hundred eleven".