131304303233 has 2 divisors, whose sum is σ = 131304303234. Its totient is φ = 131304303232.

The previous prime is 131304303217. The next prime is 131304303239. The reversal of 131304303233 is 332303403131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112826794609 + 18477508624 = 335897^2 + 135932^2 .

It is a cyclic number.

It is not a de Polignac number, because 131304303233 - 2⁴ = 131304303217 is a prime.

It is a super-2 number, since 2×131304303233² (a number of 23 digits) contains 22 as substring.

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 (131304303239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65652151616 + 65652151617.

It is an arithmetic number, because the mean of its divisors is an integer number (65652151617).

Almost surely, 2^131304303233 is an apocalyptic number.

It is an amenable number.

131304303233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131304303233 is an equidigital number, since it uses as much as digits as its factorization.

131304303233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 131304303233 its reverse (332303403131), we get a palindrome (463607706364).

The spelling of 131304303233 in words is "one hundred thirty-one billion, three hundred four million, three hundred three thousand, two hundred thirty-three".