311314302545 has 8 divisors (see below), whose sum is σ = 380625789096. Its totient is φ = 244352358016.

The previous prime is 311314302517. The next prime is 311314302569. The reversal of 311314302545 is 545203413113.

It can be written as a sum of positive squares in 4 ways, for example, as 21300818704 + 290013483841 = 145948^2 + 538529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311314302545 - 2²⁰ = 311313253969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587385212 + ... + 587385741.

It is an arithmetic number, because the mean of its divisors is an integer number (47578223637).

Almost surely, 2^311314302545 is an apocalyptic number.

It is an amenable number.

311314302545 is a deficient number, since it is larger than the sum of its proper divisors (69311486551).

311314302545 is a wasteful number, since it uses less digits than its factorization.

311314302545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174771011.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 311314302545 its reverse (545203413113), we get a palindrome (856517715658).

The spelling of 311314302545 in words is "three hundred eleven billion, three hundred fourteen million, three hundred two thousand, five hundred forty-five".