341831989 has 2 divisors, whose sum is σ = 341831990. Its totient is φ = 341831988.

The previous prime is 341831981. The next prime is 341831993. The reversal of 341831989 is 989138143.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340697764 + 1134225 = 18458^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 341831989 - 2³ = 341831981 is a prime.

It is a super-2 number, since 2×341831989² = 233698217407392242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341831981) 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, 170915994 + 170915995.

It is an arithmetic number, because the mean of its divisors is an integer number (170915995).

Almost surely, 2^341831989 is an apocalyptic number.

It is an amenable number.

341831989 is a deficient number, since it is larger than the sum of its proper divisors (1).

341831989 is an equidigital number, since it uses as much as digits as its factorization.

341831989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 341831989 is about 18488.6989536852. The cubic root of 341831989 is about 699.2045310780.

The spelling of 341831989 in words is "three hundred forty-one million, eight hundred thirty-one thousand, nine hundred eighty-nine".