34343431 has 4 divisors (see below), whose sum is σ = 36151000. Its totient is φ = 32535864.

The previous prime is 34343429. The next prime is 34343447. The reversal of 34343431 is 13434343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34343431 - 2¹ = 34343429 is a prime.

It is a super-2 number, since 2×34343431² = 2358942505703522, 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 = 34343396 and 34343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34343411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903756 + ... + 903793.

It is an arithmetic number, because the mean of its divisors is an integer number (9037750).

Almost surely, 2^34343431 is an apocalyptic number.

34343431 is a deficient number, since it is larger than the sum of its proper divisors (1807569).

34343431 is a wasteful number, since it uses less digits than its factorization.

34343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807568.

The product of its digits is 5184, while the sum is 25.

The square root of 34343431 is about 5860.3268680168. The cubic root of 34343431 is about 325.0482957814.

Adding to 34343431 its reverse (13434343), we get a palindrome (47777774).

It can be divided in two parts, 3 and 4343431, that added together give a palindrome (4343434).

The spelling of 34343431 in words is "thirty-four million, three hundred forty-three thousand, four hundred thirty-one".