1134431311 has 16 divisors (see below), whose sum is σ = 1234050048. Its totient is φ = 1036620000.

The previous prime is 1134431297. The next prime is 1134431327. The reversal of 1134431311 is 1131344311.

It is not a de Polignac number, because 1134431311 - 2²⁵ = 1100876879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134431341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278510 + ... + 1279396.

It is an arithmetic number, because the mean of its divisors is an integer number (77128128).

Almost surely, 2^1134431311 is an apocalyptic number.

1134431311 is a deficient number, since it is larger than the sum of its proper divisors (99618737).

1134431311 is a wasteful number, since it uses less digits than its factorization.

1134431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 432, while the sum is 22.

The square root of 1134431311 is about 33681.3199117849. The cubic root of 1134431311 is about 1042.9401855727.

Adding to 1134431311 its reverse (1131344311), we get a palindrome (2265775622).

The spelling of 1134431311 in words is "one billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred eleven".