34831189 has 2 divisors, whose sum is σ = 34831190. Its totient is φ = 34831188.

The previous prime is 34831187. The next prime is 34831193. The reversal of 34831189 is 98113843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 432964 = 5865^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 34831189 - 2¹ = 34831187 is a prime.

Together with 34831187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34831187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17415594 + 17415595.

It is an arithmetic number, because the mean of its divisors is an integer number (17415595).

Almost surely, 2^34831189 is an apocalyptic number.

It is an amenable number.

34831189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34831189 is an equidigital number, since it uses as much as digits as its factorization.

34831189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 34831189 is about 5901.7954047900. The cubic root of 34831189 is about 326.5798861297.

The spelling of 34831189 in words is "thirty-four million, eight hundred thirty-one thousand, one hundred eighty-nine".