1311003323213 has 8 divisors (see below), whose sum is σ = 1346457179232. Its totient is φ = 1275550590096.

The previous prime is 1311003323191. The next prime is 1311003323219. The reversal of 1311003323213 is 3123233001131.

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 1311003323213 - 2²² = 1310999128909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311003323219) 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, 2436806 + ... + 2925752.

It is an arithmetic number, because the mean of its divisors is an integer number (168307147404).

Almost surely, 2^{1311003323213} is an apocalyptic number.

It is an amenable number.

1311003323213 is a deficient number, since it is larger than the sum of its proper divisors (35453856019).

1311003323213 is an equidigital number, since it uses as much as digits as its factorization.

1311003323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561451.

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

Adding to 1311003323213 its reverse (3123233001131), we get a palindrome (4434236324344).

The spelling of 1311003323213 in words is "one trillion, three hundred eleven billion, three million, three hundred twenty-three thousand, two hundred thirteen".