34531019 has 2 divisors, whose sum is σ = 34531020. Its totient is φ = 34531018.

The previous prime is 34531009. The next prime is 34531031. The reversal of 34531019 is 91013543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34531019 - 2¹² = 34526923 is a prime.

It is a super-2 number, since 2×34531019² = 2384782546356722, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_2119823 and since 34531019 and 2119823 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34531009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265509 + 17265510.

It is an arithmetic number, because the mean of its divisors is an integer number (17265510).

Almost surely, 2^34531019 is an apocalyptic number.

34531019 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531019 is an equidigital number, since it uses as much as digits as its factorization.

34531019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 34531019 is about 5876.3099816126. The cubic root of 34531019 is about 325.6390392965.

The spelling of 34531019 in words is "thirty-four million, five hundred thirty-one thousand, nineteen".