131660033 has 2 divisors, whose sum is σ = 131660034. Its totient is φ = 131660032.

The previous prime is 131660017. The next prime is 131660041. The reversal of 131660033 is 330066131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126855169 + 4804864 = 11263^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 131660033 - 2⁴ = 131660017 is a prime.

It is a super-2 number, since 2×131660033² = 34668728579122178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131659990 and 131660008.

It is not a weakly prime, because it can be changed into another prime (131660083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65830016 + 65830017.

It is an arithmetic number, because the mean of its divisors is an integer number (65830017).

Almost surely, 2^131660033 is an apocalyptic number.

It is an amenable number.

131660033 is a deficient number, since it is larger than the sum of its proper divisors (1).

131660033 is an equidigital number, since it uses as much as digits as its factorization.

131660033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 131660033 is about 11474.3205899086. The cubic root of 131660033 is about 508.7268422914.

The spelling of 131660033 in words is "one hundred thirty-one million, six hundred sixty thousand, thirty-three".