344142181 has 2 divisors, whose sum is σ = 344142182. Its totient is φ = 344142180.

The previous prime is 344142133. The next prime is 344142241. The reversal of 344142181 is 181241443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 25341156 = 17855^2 + 5034^2 .

It is a cyclic number.

It is not a de Polignac number, because 344142181 - 2⁹ = 344141669 is a prime.

It is a super-2 number, since 2×344142181² = 236867681486873522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344142121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172071090 + 172071091.

It is an arithmetic number, because the mean of its divisors is an integer number (172071091).

Almost surely, 2^344142181 is an apocalyptic number.

It is an amenable number.

344142181 is a deficient number, since it is larger than the sum of its proper divisors (1).

344142181 is an equidigital number, since it uses as much as digits as its factorization.

344142181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 344142181 is about 18551.0695379000. The cubic root of 344142181 is about 700.7761330131.

The spelling of 344142181 in words is "three hundred forty-four million, one hundred forty-two thousand, one hundred eighty-one".