311303132969 has 2 divisors, whose sum is σ = 311303132970. Its totient is φ = 311303132968.

The previous prime is 311303132951. The next prime is 311303133013. The reversal of 311303132969 is 969231303113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305521507600 + 5781625369 = 552740^2 + 76037^2 .

It is an emirp because it is prime and its reverse (969231303113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311303132969 - 2³⁶ = 242583656233 is a prime.

It is a super-2 number, since 2×311303132969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311303132369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155651566484 + 155651566485.

It is an arithmetic number, because the mean of its divisors is an integer number (155651566485).

Almost surely, 2^311303132969 is an apocalyptic number.

It is an amenable number.

311303132969 is a deficient number, since it is larger than the sum of its proper divisors (1).

311303132969 is an equidigital number, since it uses as much as digits as its factorization.

311303132969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 311303132969 in words is "three hundred eleven billion, three hundred three million, one hundred thirty-two thousand, nine hundred sixty-nine".