330181121 has 2 divisors, whose sum is σ = 330181122. Its totient is φ = 330181120.

The previous prime is 330181099. The next prime is 330181139. The reversal of 330181121 is 121181033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257249521 + 72931600 = 16039^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 330181121 - 2⁶ = 330181057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330181093 and 330181102.

It is not a weakly prime, because it can be changed into another prime (330181421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165090560 + 165090561.

It is an arithmetic number, because the mean of its divisors is an integer number (165090561).

Almost surely, 2^330181121 is an apocalyptic number.

It is an amenable number.

330181121 is a deficient number, since it is larger than the sum of its proper divisors (1).

330181121 is an equidigital number, since it uses as much as digits as its factorization.

330181121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 330181121 is about 18170.8866321927. The cubic root of 330181121 is about 691.1687264204.

The spelling of 330181121 in words is "three hundred thirty million, one hundred eighty-one thousand, one hundred twenty-one".