1134431313 has 4 divisors (see below), whose sum is σ = 1512575088. Its totient is φ = 756287540.

The previous prime is 1134431297. The next prime is 1134431327. The reversal of 1134431313 is 3131344311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1134431313 - 2⁴ = 1134431297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1134431413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189071883 + ... + 189071888.

It is an arithmetic number, because the mean of its divisors is an integer number (378143772).

Almost surely, 2^1134431313 is an apocalyptic number.

It is an amenable number.

1134431313 is a deficient number, since it is larger than the sum of its proper divisors (378143775).

1134431313 is an equidigital number, since it uses as much as digits as its factorization.

1134431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378143774.

The product of its digits is 1296, while the sum is 24.

The square root of 1134431313 is about 33681.3199414750. The cubic root of 1134431313 is about 1042.9401861856.

Adding to 1134431313 its reverse (3131344311), we get a palindrome (4265775624).

The spelling of 1134431313 in words is "one billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred thirteen".