34431311 has 2 divisors, whose sum is σ = 34431312. Its totient is φ = 34431310.

The previous prime is 34431301. The next prime is 34431329. The reversal of 34431311 is 11313443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34431311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34431301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17215655 + 17215656.

It is an arithmetic number, because the mean of its divisors is an integer number (17215656).

Almost surely, 2^34431311 is an apocalyptic number.

34431311 is a deficient number, since it is larger than the sum of its proper divisors (1).

34431311 is an equidigital number, since it uses as much as digits as its factorization.

34431311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 34431311 is about 5867.8199529297. The cubic root of 34431311 is about 325.3253105618.

Adding to 34431311 its reverse (11313443), we get a palindrome (45744754).

The spelling of 34431311 in words is "thirty-four million, four hundred thirty-one thousand, three hundred eleven".