13303213231 has 16 divisors (see below), whose sum is σ = 16722908928. Its totient is φ = 10366132920.

The previous prime is 13303213199. The next prime is 13303213237. The reversal of 13303213231 is 13231230331.

It is not a de Polignac number, because 13303213231 - 2⁵ = 13303213199 is a prime.

It is a super-2 number, since 2×13303213231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303213237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704605 + ... + 723238.

It is an arithmetic number, because the mean of its divisors is an integer number (1045181808).

Almost surely, 2^13303213231 is an apocalyptic number.

13303213231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13303213231 is a deficient number, since it is larger than the sum of its proper divisors (3419695697).

13303213231 is an equidigital number, since it uses as much as digits as its factorization.

13303213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427883 (or 1427861 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13303213231 its reverse (13231230331), we get a palindrome (26534443562).

The spelling of 13303213231 in words is "thirteen billion, three hundred three million, two hundred thirteen thousand, two hundred thirty-one".