311002211313 has 24 divisors (see below), whose sum is σ = 465915049600. Its totient is φ = 207311818608.

The previous prime is 311002211293. The next prime is 311002211321. The reversal of 311002211313 is 313112200113.

311002211313 is a `hidden beast` number, since 31 + 100 + 221 + 1 + 313 = 666.

It is not a de Polignac number, because 311002211313 - 2⁹ = 311002210801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311002211323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2285883 + ... + 2418111.

Almost surely, 2^311002211313 is an apocalyptic number.

It is an amenable number.

311002211313 is a deficient number, since it is larger than the sum of its proper divisors (154912838287).

311002211313 is an equidigital number, since it uses as much as digits as its factorization.

311002211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141923 (or 141911 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 311002211313 its reverse (313112200113), we get a palindrome (624114411426).

The spelling of 311002211313 in words is "three hundred eleven billion, two million, two hundred eleven thousand, three hundred thirteen".