311454454133 has 2 divisors, whose sum is σ = 311454454134. Its totient is φ = 311454454132.

The previous prime is 311454454109. The next prime is 311454454139. The reversal of 311454454133 is 331454454113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310479640849 + 974813284 = 557207^2 + 31222^2 .

It is an emirp because it is prime and its reverse (331454454113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311454454133 - 2¹² = 311454450037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311454454139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155727227066 + 155727227067.

It is an arithmetic number, because the mean of its divisors is an integer number (155727227067).

Almost surely, 2^311454454133 is an apocalyptic number.

It is an amenable number.

311454454133 is a deficient number, since it is larger than the sum of its proper divisors (1).

311454454133 is an equidigital number, since it uses as much as digits as its factorization.

311454454133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The spelling of 311454454133 in words is "three hundred eleven billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred thirty-three".