311446230497 has 2 divisors, whose sum is σ = 311446230498. Its totient is φ = 311446230496.

The previous prime is 311446230439. The next prime is 311446230577. The reversal of 311446230497 is 794032644113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202931329441 + 108514901056 = 450479^2 + 329416^2 .

It is a cyclic number.

It is not a de Polignac number, because 311446230497 - 2¹⁴ = 311446214113 is a prime.

It is not a weakly prime, because it can be changed into another prime (311446200497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155723115248 + 155723115249.

It is an arithmetic number, because the mean of its divisors is an integer number (155723115249).

Almost surely, 2^311446230497 is an apocalyptic number.

It is an amenable number.

311446230497 is a deficient number, since it is larger than the sum of its proper divisors (1).

311446230497 is an equidigital number, since it uses as much as digits as its factorization.

311446230497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 311446230497 in words is "three hundred eleven billion, four hundred forty-six million, two hundred thirty thousand, four hundred ninety-seven".