1311413333 has 8 divisors (see below), whose sum is σ = 1369225728. Its totient is φ = 1253667184.

The previous prime is 1311413297. The next prime is 1311413357. The reversal of 1311413333 is 3333141131.

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 1311413333 - 2¹⁰ = 1311412309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311413299 and 1311413308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311413393) 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, 26291 + ... + 57567.

It is an arithmetic number, because the mean of its divisors is an integer number (171153216).

Almost surely, 2^1311413333 is an apocalyptic number.

It is an amenable number.

1311413333 is a deficient number, since it is larger than the sum of its proper divisors (57812395).

1311413333 is a wasteful number, since it uses less digits than its factorization.

1311413333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33123.

The product of its digits is 972, while the sum is 23.

The square root of 1311413333 is about 36213.4413305336. The cubic root of 1311413333 is about 1094.5775378015.

Adding to 1311413333 its reverse (3333141131), we get a palindrome (4644554464).

The spelling of 1311413333 in words is "one billion, three hundred eleven million, four hundred thirteen thousand, three hundred thirty-three".