311431130411 has 2 divisors, whose sum is σ = 311431130412. Its totient is φ = 311431130410.

The previous prime is 311431130401. The next prime is 311431130441. The reversal of 311431130411 is 114031134113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311431130411 - 2³⁸ = 36553223467 is a prime.

It is not a weakly prime, because it can be changed into another prime (311431130401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715565205 + 155715565206.

It is an arithmetic number, because the mean of its divisors is an integer number (155715565206).

Almost surely, 2^311431130411 is an apocalyptic number.

311431130411 is a deficient number, since it is larger than the sum of its proper divisors (1).

311431130411 is an equidigital number, since it uses as much as digits as its factorization.

311431130411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 311431130411 its reverse (114031134113), we get a palindrome (425462264524).

The spelling of 311431130411 in words is "three hundred eleven billion, four hundred thirty-one million, one hundred thirty thousand, four hundred eleven".