1313021102223 has 4 divisors (see below), whose sum is σ = 1750694802968. Its totient is φ = 875347401480.

The previous prime is 1313021102221. The next prime is 1313021102273. The reversal of 1313021102223 is 3222011203131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1313021102223 - 2¹ = 1313021102221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313021102223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313021102221) 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 3 ways as a sum of consecutive naturals, for example, 218836850368 + ... + 218836850373.

It is an arithmetic number, because the mean of its divisors is an integer number (437673700742).

Almost surely, 2^{1313021102223} is an apocalyptic number.

1313021102223 is a deficient number, since it is larger than the sum of its proper divisors (437673700745).

1313021102223 is an equidigital number, since it uses as much as digits as its factorization.

1313021102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437673700744.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1313021102223 its reverse (3222011203131), we get a palindrome (4535032305354).

The spelling of 1313021102223 in words is "one trillion, three hundred thirteen billion, twenty-one million, one hundred two thousand, two hundred twenty-three".