1311341213 has 8 divisors (see below), whose sum is σ = 1613958528. Its totient is φ = 1037544624.

The previous prime is 1311341203. The next prime is 1311341233. The reversal of 1311341213 is 3121431131.

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 1311341213 - 2⁸ = 1311340957 is a prime.

It is a super-2 number, since 2×1311341213² = 3439231553824622738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311341203) 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 7 ways as a sum of consecutive naturals, for example, 7205081 + ... + 7205262.

It is an arithmetic number, because the mean of its divisors is an integer number (201744816).

Almost surely, 2^1311341213 is an apocalyptic number.

1311341213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1311341213 is a deficient number, since it is larger than the sum of its proper divisors (302617315).

1311341213 is a wasteful number, since it uses less digits than its factorization.

1311341213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14410363.

The product of its digits is 216, while the sum is 20.

The square root of 1311341213 is about 36212.4455539805. The cubic root of 1311341213 is about 1094.5574723303.

Adding to 1311341213 its reverse (3121431131), we get a palindrome (4432772344).

The spelling of 1311341213 in words is "one billion, three hundred eleven million, three hundred forty-one thousand, two hundred thirteen".