1313201321323 has 8 divisors (see below), whose sum is σ = 1386677808720. Its totient is φ = 1240160896800.

The previous prime is 1313201321251. The next prime is 1313201321353. The reversal of 1313201321323 is 3231231023131.

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 1313201321323 - 2²⁵ = 1313167766891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313201321353) 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, 109009528 + ... + 109021573.

It is an arithmetic number, because the mean of its divisors is an integer number (173334726090).

Almost surely, 2^{1313201321323} is an apocalyptic number.

1313201321323 is a deficient number, since it is larger than the sum of its proper divisors (73476487397).

1313201321323 is a wasteful number, since it uses less digits than its factorization.

1313201321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218031437.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313201321323 its reverse (3231231023131), we get a palindrome (4544432344454).

The spelling of 1313201321323 in words is "one trillion, three hundred thirteen billion, two hundred one million, three hundred twenty-one thousand, three hundred twenty-three".