234330181 has 2 divisors, whose sum is σ = 234330182. Its totient is φ = 234330180.

The previous prime is 234330169. The next prime is 234330191. The reversal of 234330181 is 181033432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225270081 + 9060100 = 15009^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 234330181 - 2²⁵ = 200775749 is a prime.

It is a super-2 number, since 2×234330181² = 109821267454985522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234330101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117165090 + 117165091.

It is an arithmetic number, because the mean of its divisors is an integer number (117165091).

Almost surely, 2^234330181 is an apocalyptic number.

It is an amenable number.

234330181 is a deficient number, since it is larger than the sum of its proper divisors (1).

234330181 is an equidigital number, since it uses as much as digits as its factorization.

234330181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 234330181 is about 15307.8470399988. The cubic root of 234330181 is about 616.5137153985.

The spelling of 234330181 in words is "two hundred thirty-four million, three hundred thirty thousand, one hundred eighty-one".