1323131313211 has 8 divisors (see below), whose sum is σ = 1392981570000. Its totient is φ = 1253302233120.

The previous prime is 1323131313193. The next prime is 1323131313221. The reversal of 1323131313211 is 1123131313231.

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 1323131313211 - 2¹⁹ = 1323130788923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323131313221) 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, 5165836 + ... + 5415913.

It is an arithmetic number, because the mean of its divisors is an integer number (174122696250).

Almost surely, 2^{1323131313211} is an apocalyptic number.

1323131313211 is a deficient number, since it is larger than the sum of its proper divisors (69850256789).

1323131313211 is a wasteful number, since it uses less digits than its factorization.

1323131313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588349.

The product of its digits is 972, while the sum is 25.

Adding to 1323131313211 its reverse (1123131313231), we get a palindrome (2446262626442).

The spelling of 1323131313211 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred eleven".