131333353 has 2 divisors, whose sum is σ = 131333354. Its totient is φ = 131333352.

The previous prime is 131333317. The next prime is 131333357. The reversal of 131333353 is 353333131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123476544 + 7856809 = 11112^2 + 2803^2 .

It is an emirp because it is prime and its reverse (353333131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131333353 - 2⁹ = 131332841 is a prime.

It is a super-2 number, since 2×131333353² = 34496899220445218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131333357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666676 + 65666677.

It is an arithmetic number, because the mean of its divisors is an integer number (65666677).

Almost surely, 2^131333353 is an apocalyptic number.

It is an amenable number.

131333353 is a deficient number, since it is larger than the sum of its proper divisors (1).

131333353 is an equidigital number, since it uses as much as digits as its factorization.

131333353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 25.

The square root of 131333353 is about 11460.0764831654. The cubic root of 131333353 is about 508.3057361948.

Adding to 131333353 its reverse (353333131), we get a palindrome (484666484).

The spelling of 131333353 in words is "one hundred thirty-one million, three hundred thirty-three thousand, three hundred fifty-three".