131333133317 has 2 divisors, whose sum is σ = 131333133318. Its totient is φ = 131333133316.

The previous prime is 131333133301. The next prime is 131333133331. The reversal of 131333133317 is 713331333131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90191501761 + 41141631556 = 300319^2 + 202834^2 .

It is a cyclic number.

It is not a de Polignac number, because 131333133317 - 2⁴ = 131333133301 is a prime.

It is a super-4 number, since 4×131333133317⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131333133377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666566658 + 65666566659.

It is an arithmetic number, because the mean of its divisors is an integer number (65666566659).

Almost surely, 2^131333133317 is an apocalyptic number.

It is an amenable number.

131333133317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131333133317 is an equidigital number, since it uses as much as digits as its factorization.

131333133317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 32.

Adding to 131333133317 its reverse (713331333131), we get a palindrome (844664466448).

The spelling of 131333133317 in words is "one hundred thirty-one billion, three hundred thirty-three million, one hundred thirty-three thousand, three hundred seventeen".