1311344134 has 8 divisors (see below), whose sum is σ = 1971321768. Its totient is φ = 654236880.

The previous prime is 1311344119. The next prime is 1311344159. The reversal of 1311344134 is 4314431131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311344099 and 1311344108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716452 + ... + 718279.

It is an arithmetic number, because the mean of its divisors is an integer number (246415221).

Almost surely, 2^1311344134 is an apocalyptic number.

1311344134 is a deficient number, since it is larger than the sum of its proper divisors (659977634).

1311344134 is a wasteful number, since it uses less digits than its factorization.

1311344134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435190.

The product of its digits is 1728, while the sum is 25.

The square root of 1311344134 is about 36212.4858853959. The cubic root of 1311344134 is about 1094.5582850352.

Adding to 1311344134 its reverse (4314431131), we get a palindrome (5625775265).

The spelling of 1311344134 in words is "one billion, three hundred eleven million, three hundred forty-four thousand, one hundred thirty-four".