31312421411 has 2 divisors, whose sum is σ = 31312421412. Its totient is φ = 31312421410.

The previous prime is 31312421377. The next prime is 31312421417. The reversal of 31312421411 is 11412421313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31312421411 - 2²² = 31308227107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31312421417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656210705 + 15656210706.

It is an arithmetic number, because the mean of its divisors is an integer number (15656210706).

Almost surely, 2^31312421411 is an apocalyptic number.

31312421411 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312421411 is an equidigital number, since it uses as much as digits as its factorization.

31312421411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

Adding to 31312421411 its reverse (11412421313), we get a palindrome (42724842724).

The spelling of 31312421411 in words is "thirty-one billion, three hundred twelve million, four hundred twenty-one thousand, four hundred eleven".