131313323312233 has 2 divisors, whose sum is σ = 131313323312234. Its totient is φ = 131313323312232.

The previous prime is 131313323312219. The next prime is 131313323312239. The reversal of 131313323312233 is 332213323313131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93855948933184 + 37457374379049 = 9687928^2 + 6120243^2 .

It is a cyclic number.

It is not a de Polignac number, because 131313323312233 - 2²⁵ = 131313289757801 is a prime.

It is not a weakly prime, because it can be changed into another prime (131313323312239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656661656116 + 65656661656117.

It is an arithmetic number, because the mean of its divisors is an integer number (65656661656117).

Almost surely, 2^{131313323312233} is an apocalyptic number.

It is an amenable number.

131313323312233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131313323312233 is an equidigital number, since it uses as much as digits as its factorization.

131313323312233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 34.

Adding to 131313323312233 its reverse (332213323313131), we get a palindrome (463526646625364).

The spelling of 131313323312233 in words is "one hundred thirty-one trillion, three hundred thirteen billion, three hundred twenty-three million, three hundred twelve thousand, two hundred thirty-three".