31312112411 has 2 divisors, whose sum is σ = 31312112412. Its totient is φ = 31312112410.

The previous prime is 31312112389. The next prime is 31312112413. The reversal of 31312112411 is 11421121313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31312112411 - 2¹⁰ = 31312111387 is a prime.

Together with 31312112413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31312112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656056205 + 15656056206.

It is an arithmetic number, because the mean of its divisors is an integer number (15656056206).

Almost surely, 2^31312112411 is an apocalyptic number.

31312112411 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312112411 is an equidigital number, since it uses as much as digits as its factorization.

31312112411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

Adding to 31312112411 its reverse (11421121313), we get a palindrome (42733233724).

The spelling of 31312112411 in words is "thirty-one billion, three hundred twelve million, one hundred twelve thousand, four hundred eleven".