34531231 has 6 divisors (see below), whose sum is σ = 40169040. Its totient is φ = 29598156.

The previous prime is 34531201. The next prime is 34531271. The reversal of 34531231 is 13213543.

It is not a de Polignac number, because 34531231 - 2¹⁷ = 34400159 is a prime.

It is a super-2 number, since 2×34531231² = 2384811828750722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34531201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352311 + ... + 352408.

It is an arithmetic number, because the mean of its divisors is an integer number (6694840).

Almost surely, 2^34531231 is an apocalyptic number.

34531231 is a deficient number, since it is larger than the sum of its proper divisors (5637809).

34531231 is an equidigital number, since it uses as much as digits as its factorization.

34531231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704733 (or 704726 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 34531231 is about 5876.3280201160. The cubic root of 34531231 is about 325.6397057054.

Adding to 34531231 its reverse (13213543), we get a palindrome (47744774).

The spelling of 34531231 in words is "thirty-four million, five hundred thirty-one thousand, two hundred thirty-one".