134231311 has 2 divisors, whose sum is σ = 134231312. Its totient is φ = 134231310.

The previous prime is 134231291. The next prime is 134231341. The reversal of 134231311 is 113132431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134231311 - 2⁷ = 134231183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134231341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67115655 + 67115656.

It is an arithmetic number, because the mean of its divisors is an integer number (67115656).

Almost surely, 2^134231311 is an apocalyptic number.

134231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

134231311 is an equidigital number, since it uses as much as digits as its factorization.

134231311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 134231311 is about 11585.8237083084. The cubic root of 134231311 is about 512.0172710950.

Adding to 134231311 its reverse (113132431), we get a palindrome (247363742).

It can be divided in two parts, 13 and 4231311, that added together give a palindrome (4231324).

The spelling of 134231311 in words is "one hundred thirty-four million, two hundred thirty-one thousand, three hundred eleven".