1213331103233 has 4 divisors (see below), whose sum is σ = 1215456026928. Its totient is φ = 1211206179540.

The previous prime is 1213331103197. The next prime is 1213331103289. The reversal of 1213331103233 is 3323011333121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1213331103233 - 2⁴⁰ = 113819475457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213331103293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062460991 + ... + 1062462132.

It is an arithmetic number, because the mean of its divisors is an integer number (303864006732).

Almost surely, 2^{1213331103233} is an apocalyptic number.

It is an amenable number.

1213331103233 is a deficient number, since it is larger than the sum of its proper divisors (2124923695).

1213331103233 is an equidigital number, since it uses as much as digits as its factorization.

1213331103233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124923694.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1213331103233 its reverse (3323011333121), we get a palindrome (4536342436354).

The spelling of 1213331103233 in words is "one trillion, two hundred thirteen billion, three hundred thirty-one million, one hundred three thousand, two hundred thirty-three".