311273645323 has 16 divisors (see below), whose sum is σ = 329814789120. Its totient is φ = 293359197600.

The previous prime is 311273645317. The next prime is 311273645329. The reversal of 311273645323 is 323546372113.

It is an interprime number because it is at equal distance from previous prime (311273645317) and next prime (311273645329).

It is a cyclic number.

It is not a de Polignac number, because 311273645323 - 2²¹ = 311271548171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311273645329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 599568 + ... + 990973.

It is an arithmetic number, because the mean of its divisors is an integer number (20613424320).

Almost surely, 2^311273645323 is an apocalyptic number.

311273645323 is a deficient number, since it is larger than the sum of its proper divisors (18541143797).

311273645323 is a wasteful number, since it uses less digits than its factorization.

311273645323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590738.

The product of its digits is 272160, while the sum is 40.

The spelling of 311273645323 in words is "three hundred eleven billion, two hundred seventy-three million, six hundred forty-five thousand, three hundred twenty-three".