1313201122223 has 12 divisors (see below), whose sum is σ = 1344635014560. Its totient is φ = 1282483732992.

The previous prime is 1313201122171. The next prime is 1313201122243. The reversal of 1313201122223 is 3222211023131.

It is a de Polignac number, because none of the positive numbers 2^k-1313201122223 is a prime.

It is a super-3 number, since 3×1313201122223³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201122243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380783 + ... + 1664751.

It is an arithmetic number, because the mean of its divisors is an integer number (112052917880).

Almost surely, 2^{1313201122223} is an apocalyptic number.

1313201122223 is a deficient number, since it is larger than the sum of its proper divisors (31433892337).

1313201122223 is an equidigital number, since it uses as much as digits as its factorization.

1313201122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284526 (or 1284479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1313201122223 its reverse (3222211023131), we get a palindrome (4535412145354).

The spelling of 1313201122223 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty-three".