13320023213 has 4 divisors (see below), whose sum is σ = 15222883680. Its totient is φ = 11417162748.

The previous prime is 13320023191. The next prime is 13320023251. The reversal of 13320023213 is 31232002331.

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 a de Polignac number, because none of the positive numbers 2^k-13320023213 is a prime.

It is a super-3 number, since 3×13320023213³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320043213) 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, 951430223 + ... + 951430236.

It is an arithmetic number, because the mean of its divisors is an integer number (3805720920).

Almost surely, 2^13320023213 is an apocalyptic number.

It is an amenable number.

13320023213 is a deficient number, since it is larger than the sum of its proper divisors (1902860467).

13320023213 is an equidigital number, since it uses as much as digits as its factorization.

13320023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902860466.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13320023213 its reverse (31232002331), we get a palindrome (44552025544).

The spelling of 13320023213 in words is "thirteen billion, three hundred twenty million, twenty-three thousand, two hundred thirteen".