331130313133 has 2 divisors, whose sum is σ = 331130313134. Its totient is φ = 331130313132.

The previous prime is 331130313049. The next prime is 331130313149. The reversal of 331130313133 is 331313031133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167119892809 + 164010420324 = 408803^2 + 404982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331130313133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331130313098 and 331130313107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331130311133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565156566 + 165565156567.

It is an arithmetic number, because the mean of its divisors is an integer number (165565156567).

Almost surely, 2^331130313133 is an apocalyptic number.

It is an amenable number.

331130313133 is a deficient number, since it is larger than the sum of its proper divisors (1).

331130313133 is an equidigital number, since it uses as much as digits as its factorization.

331130313133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 331130313133 its reverse (331313031133), we get a palindrome (662443344266).

The spelling of 331130313133 in words is "three hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, one hundred thirty-three".