34420031 has 2 divisors, whose sum is σ = 34420032. Its totient is φ = 34420030.

The previous prime is 34420021. The next prime is 34420049. The reversal of 34420031 is 13002443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34420031 - 2⁶ = 34419967 is a prime.

It is a super-2 number, since 2×34420031² = 2369477068081922, 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 = 34419991 and 34420009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34420021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210015 + 17210016.

It is an arithmetic number, because the mean of its divisors is an integer number (17210016).

Almost surely, 2^34420031 is an apocalyptic number.

34420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

34420031 is an equidigital number, since it uses as much as digits as its factorization.

34420031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34420031 is about 5866.8586995086. The cubic root of 34420031 is about 325.2897802049.

Adding to 34420031 its reverse (13002443), we get a palindrome (47422474).

The spelling of 34420031 in words is "thirty-four million, four hundred twenty thousand, thirty-one".