34240431 has 24 divisors (see below), whose sum is σ = 49252624. Its totient is φ = 21150720.

The previous prime is 34240421. The next prime is 34240433. The reversal of 34240431 is 13404243.

It is not a de Polignac number, because 34240431 - 2¹¹ = 34238383 is a prime.

It is a super-2 number, since 2×34240431² = 2344814230131522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34240398 and 34240407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63021 + ... + 63561.

Almost surely, 2^34240431 is an apocalyptic number.

34240431 is a deficient number, since it is larger than the sum of its proper divisors (15012193).

34240431 is a wasteful number, since it uses less digits than its factorization.

34240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 634 counting only the distinct ones).

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

The square root of 34240431 is about 5851.5323634070. The cubic root of 34240431 is about 324.7230176568.

Adding to 34240431 its reverse (13404243), we get a palindrome (47644674).

The spelling of 34240431 in words is "thirty-four million, two hundred forty thousand, four hundred thirty-one".