31051014331121 has 2 divisors, whose sum is σ = 31051014331122. Its totient is φ = 31051014331120.

The previous prime is 31051014331061. The next prime is 31051014331163. The reversal of 31051014331121 is 12113341015013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25170680327521 + 5880334003600 = 5017039^2 + 2424940^2 .

It is a cyclic number.

It is not a de Polignac number, because 31051014331121 - 2²⁶ = 31050947222257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (31051014331621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15525507165560 + 15525507165561.

It is an arithmetic number, because the mean of its divisors is an integer number (15525507165561).

Almost surely, 2^{31051014331121} is an apocalyptic number.

It is an amenable number.

31051014331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

31051014331121 is an equidigital number, since it uses as much as digits as its factorization.

31051014331121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 31051014331121 its reverse (12113341015013), we get a palindrome (43164355346134).

The spelling of 31051014331121 in words is "thirty-one trillion, fifty-one billion, fourteen million, three hundred thirty-one thousand, one hundred twenty-one".