31130283113 has 2 divisors, whose sum is σ = 31130283114. Its totient is φ = 31130283112.

The previous prime is 31130283047. The next prime is 31130283167. The reversal of 31130283113 is 31138203113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29524517929 + 1605765184 = 171827^2 + 40072^2 .

It is a cyclic number.

It is not a de Polignac number, because 31130283113 - 2¹⁸ = 31130020969 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 (31130283013) 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, 15565141556 + 15565141557.

It is an arithmetic number, because the mean of its divisors is an integer number (15565141557).

Almost surely, 2^31130283113 is an apocalyptic number.

It is an amenable number.

31130283113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31130283113 is an equidigital number, since it uses as much as digits as its factorization.

31130283113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 31130283113 its reverse (31138203113), we get a palindrome (62268486226).

The spelling of 31130283113 in words is "thirty-one billion, one hundred thirty million, two hundred eighty-three thousand, one hundred thirteen".