1313221003233 has 16 divisors (see below), whose sum is σ = 1885980391680. Its totient is φ = 810114301584.

The previous prime is 1313221003231. The next prime is 1313221003243. The reversal of 1313221003233 is 3323001223131.

It is not a de Polignac number, because 1313221003233 - 2¹ = 1313221003231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313221003231) 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 15 ways as a sum of consecutive naturals, for example, 267892491 + ... + 267897392.

It is an arithmetic number, because the mean of its divisors is an integer number (117873774480).

Almost surely, 2^{1313221003233} is an apocalyptic number.

It is an amenable number.

1313221003233 is a deficient number, since it is larger than the sum of its proper divisors (572759388447).

1313221003233 is a wasteful number, since it uses less digits than its factorization.

1313221003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535789948.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1313221003233 its reverse (3323001223131), we get a palindrome (4636222226364).

The spelling of 1313221003233 in words is "one trillion, three hundred thirteen billion, two hundred twenty-one million, three thousand, two hundred thirty-three".