1311341299 has 4 divisors (see below), whose sum is σ = 1311990264. Its totient is φ = 1310692336.

The previous prime is 1311341293. The next prime is 1311341327. The reversal of 1311341299 is 9921431131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311341299 - 2²¹ = 1309244147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311341293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321442 + ... + 325495.

It is an arithmetic number, because the mean of its divisors is an integer number (327997566).

Almost surely, 2^1311341299 is an apocalyptic number.

1311341299 is a deficient number, since it is larger than the sum of its proper divisors (648965).

1311341299 is an equidigital number, since it uses as much as digits as its factorization.

1311341299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648964.

The product of its digits is 5832, while the sum is 34.

The square root of 1311341299 is about 36212.4467414175. The cubic root of 1311341299 is about 1094.5574962580.

The spelling of 1311341299 in words is "one billion, three hundred eleven million, three hundred forty-one thousand, two hundred ninety-nine".