331130311133 has 2 divisors, whose sum is σ = 331130311134. Its totient is φ = 331130311132.

The previous prime is 331130311123. The next prime is 331130311151. The reversal of 331130311133 is 331113031133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267385170649 + 63745140484 = 517093^2 + 252478^2 .

It is a cyclic number.

It is not a de Polignac number, because 331130311133 - 2⁴ = 331130311117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331130311099 and 331130311108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331130311103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565155566 + 165565155567.

It is an arithmetic number, because the mean of its divisors is an integer number (165565155567).

Almost surely, 2^331130311133 is an apocalyptic number.

It is an amenable number.

331130311133 is a deficient number, since it is larger than the sum of its proper divisors (1).

331130311133 is an equidigital number, since it uses as much as digits as its factorization.

331130311133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 331130311133 its reverse (331113031133), we get a palindrome (662243342266).

The spelling of 331130311133 in words is "three hundred thirty-one billion, one hundred thirty million, three hundred eleven thousand, one hundred thirty-three".