13112032303 has 4 divisors (see below), whose sum is σ = 13682120688. Its totient is φ = 12541943920.

The previous prime is 13112032279. The next prime is 13112032337. The reversal of 13112032303 is 30323021131.

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

It is a cyclic number.

It is not a de Polignac number, because 13112032303 - 2⁹ = 13112031791 is a prime.

It is a super-2 number, since 2×13112032303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112032343) 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, 285044158 + ... + 285044203.

It is an arithmetic number, because the mean of its divisors is an integer number (3420530172).

Almost surely, 2^13112032303 is an apocalyptic number.

13112032303 is a deficient number, since it is larger than the sum of its proper divisors (570088385).

13112032303 is an equidigital number, since it uses as much as digits as its factorization.

13112032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570088384.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13112032303 its reverse (30323021131), we get a palindrome (43435053434).

The spelling of 13112032303 in words is "thirteen billion, one hundred twelve million, thirty-two thousand, three hundred three".