1311616411 has 8 divisors (see below), whose sum is σ = 1500256224. Its totient is φ = 1123293120.

The previous prime is 1311616403. The next prime is 1311616429. The reversal of 1311616411 is 1146161131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1311616411 - 2³ = 1311616403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311616711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70180 + ... + 86881.

It is an arithmetic number, because the mean of its divisors is an integer number (187532028).

Almost surely, 2^1311616411 is an apocalyptic number.

1311616411 is a deficient number, since it is larger than the sum of its proper divisors (188639813).

1311616411 is a wasteful number, since it uses less digits than its factorization.

1311616411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158261.

The product of its digits is 432, while the sum is 25.

The square root of 1311616411 is about 36216.2451256339. The cubic root of 1311616411 is about 1094.6340348999.

Adding to 1311616411 its reverse (1146161131), we get a palindrome (2457777542).

The spelling of 1311616411 in words is "one billion, three hundred eleven million, six hundred sixteen thousand, four hundred eleven".