311430302211321 has 12 divisors (see below), whose sum is σ = 449856930173248. Its totient is φ = 207614127483864.

The previous prime is 311430302211307. The next prime is 311430302211349. The reversal of 311430302211321 is 123112203034113.

311430302211321 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 30 + 302 + 2 + 1 + 1 + 321 = 666.

It is not a de Polignac number, because 311430302211321 - 2¹⁵ = 311430302178553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311430302211121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505841125 + ... + 506456418.

Almost surely, 2^{311430302211321} is an apocalyptic number.

It is an amenable number.

311430302211321 is a deficient number, since it is larger than the sum of its proper divisors (138426627961927).

311430302211321 is a wasteful number, since it uses less digits than its factorization.

311430302211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012331732 (or 1012331729 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 311430302211321 its reverse (123112203034113), we get a palindrome (434542505245434).

The spelling of 311430302211321 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred two million, two hundred eleven thousand, three hundred twenty-one".