34045031 has 2 divisors, whose sum is σ = 34045032. Its totient is φ = 34045030.

The previous prime is 34045021. The next prime is 34045049. The reversal of 34045031 is 13054043.

It is a weak prime.

It is an emirp because it is prime and its reverse (13054043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34045031 is a prime.

It is a super-2 number, since 2×34045031² = 2318128271581922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 34044994 and 34045012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34045021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17022515 + 17022516.

It is an arithmetic number, because the mean of its divisors is an integer number (17022516).

Almost surely, 2^34045031 is an apocalyptic number.

34045031 is a deficient number, since it is larger than the sum of its proper divisors (1).

34045031 is an equidigital number, since it uses as much as digits as its factorization.

34045031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 34045031 is about 5834.8119935436. The cubic root of 34045031 is about 324.1041395414.

Adding to 34045031 its reverse (13054043), we get a palindrome (47099074).

The spelling of 34045031 in words is "thirty-four million, forty-five thousand, thirty-one".