332130181 has 2 divisors, whose sum is σ = 332130182. Its totient is φ = 332130180.

The previous prime is 332130137. The next prime is 332130191. The reversal of 332130181 is 181031233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331567681 + 562500 = 18209^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 332130181 - 2⁹ = 332129669 is a prime.

It is a super-2 number, since 2×332130181² = 220620914262185522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332130191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166065090 + 166065091.

It is an arithmetic number, because the mean of its divisors is an integer number (166065091).

Almost surely, 2^332130181 is an apocalyptic number.

It is an amenable number.

332130181 is a deficient number, since it is larger than the sum of its proper divisors (1).

332130181 is an equidigital number, since it uses as much as digits as its factorization.

332130181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 332130181 is about 18224.4391134542. The cubic root of 332130181 is about 692.5260494052.

The spelling of 332130181 in words is "three hundred thirty-two million, one hundred thirty thousand, one hundred eighty-one".