34231909 has 2 divisors, whose sum is σ = 34231910. Its totient is φ = 34231908.

The previous prime is 34231877. The next prime is 34231921. The reversal of 34231909 is 90913243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 9409 = 5850^2 + 97^2 .

It is an emirp because it is prime and its reverse (90913243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34231909 - 2⁵ = 34231877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34231969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17115954 + 17115955.

It is an arithmetic number, because the mean of its divisors is an integer number (17115955).

Almost surely, 2^34231909 is an apocalyptic number.

It is an amenable number.

34231909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34231909 is an equidigital number, since it uses as much as digits as its factorization.

34231909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 34231909 is about 5850.8041327667. The cubic root of 34231909 is about 324.6960756365.

The spelling of 34231909 in words is "thirty-four million, two hundred thirty-one thousand, nine hundred nine".