311430224014321 has 2 divisors, whose sum is σ = 311430224014322. Its totient is φ = 311430224014320.

The previous prime is 311430224014157. The next prime is 311430224014331. The reversal of 311430224014321 is 123410422034113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226198922887921 + 85231301126400 = 15039911^2 + 9232080^2 .

It is a cyclic number.

It is not a de Polignac number, because 311430224014321 - 2⁹ = 311430224013809 is a prime.

It is a super-2 number, since 2×311430224014321² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311430224014331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715112007160 + 155715112007161.

It is an arithmetic number, because the mean of its divisors is an integer number (155715112007161).

Almost surely, 2^{311430224014321} is an apocalyptic number.

It is an amenable number.

311430224014321 is a deficient number, since it is larger than the sum of its proper divisors (1).

311430224014321 is an equidigital number, since it uses as much as digits as its factorization.

311430224014321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 311430224014321 its reverse (123410422034113), we get a palindrome (434840646048434).

The spelling of 311430224014321 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred twenty-four million, fourteen thousand, three hundred twenty-one".