13131302223233 has 4 divisors (see below), whose sum is σ = 13131309615408. Its totient is φ = 13131294831060.

The previous prime is 13131302223209. The next prime is 13131302223323. The reversal of 13131302223233 is 33232220313131.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13131302223233 - 2³⁴ = 13114122354049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13131302223196 and 13131302223205.

It is not an unprimeable number, because it can be changed into a prime (13131302223433) 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, 756278 + ... + 5180208.

It is an arithmetic number, because the mean of its divisors is an integer number (3282827403852).

Almost surely, 2^{13131302223233} is an apocalyptic number.

It is an amenable number.

13131302223233 is a deficient number, since it is larger than the sum of its proper divisors (7392175).

13131302223233 is an equidigital number, since it uses as much as digits as its factorization.

13131302223233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392174.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13131302223233 its reverse (33232220313131), we get a palindrome (46363522536364).

The spelling of 13131302223233 in words is "thirteen trillion, one hundred thirty-one billion, three hundred two million, two hundred twenty-three thousand, two hundred thirty-three".