31224130411 has 2 divisors, whose sum is σ = 31224130412. Its totient is φ = 31224130410.

The previous prime is 31224130397. The next prime is 31224130417. The reversal of 31224130411 is 11403142213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31224130411 is a prime.

It is not a weakly prime, because it can be changed into another prime (31224130417) 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, 15612065205 + 15612065206.

It is an arithmetic number, because the mean of its divisors is an integer number (15612065206).

Almost surely, 2^31224130411 is an apocalyptic number.

31224130411 is a deficient number, since it is larger than the sum of its proper divisors (1).

31224130411 is an equidigital number, since it uses as much as digits as its factorization.

31224130411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31224130411 its reverse (11403142213), we get a palindrome (42627272624).

The spelling of 31224130411 in words is "thirty-one billion, two hundred twenty-four million, one hundred thirty thousand, four hundred eleven".