1134311311 has 4 divisors (see below), whose sum is σ = 1296355792. Its totient is φ = 972266832.

The previous prime is 1134311291. The next prime is 1134311317. The reversal of 1134311311 is 1131134311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1131134311 = 109 ⋅10377379.

It is a cyclic number.

It is not a de Polignac number, because 1134311311 - 2⁵ = 1134311279 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 (1134311317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81022230 + ... + 81022243.

It is an arithmetic number, because the mean of its divisors is an integer number (324088948).

Almost surely, 2^1134311311 is an apocalyptic number.

1134311311 is a deficient number, since it is larger than the sum of its proper divisors (162044481).

1134311311 is an equidigital number, since it uses as much as digits as its factorization.

1134311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162044480.

The product of its digits is 108, while the sum is 19.

The square root of 1134311311 is about 33679.5384618020. The cubic root of 1134311311 is about 1042.9034102492.

Adding to 1134311311 its reverse (1131134311), we get a palindrome (2265445622).

It can be divided in two parts, 1134 and 311311, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 1134311311 in words is "one billion, one hundred thirty-four million, three hundred eleven thousand, three hundred eleven".