34420431 has 16 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 22612128.

The previous prime is 34420417. The next prime is 34420439. The reversal of 34420431 is 13402443.

It is not a de Polignac number, because 34420431 - 2⁶ = 34420367 is a prime.

It is a super-2 number, since 2×34420431² = 2369532140451522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34420398 and 34420407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81940 + ... + 82358.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^34420431 is an apocalyptic number.

34420431 is a deficient number, since it is larger than the sum of its proper divisors (12149169).

34420431 is a wasteful number, since it uses less digits than its factorization.

34420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34420431 is about 5866.8927892028. The cubic root of 34420431 is about 325.2910402793.

Adding to 34420431 its reverse (13402443), we get a palindrome (47822874).

The spelling of 34420431 in words is "thirty-four million, four hundred twenty thousand, four hundred thirty-one".