13231020303 has 8 divisors (see below), whose sum is σ = 19601511600. Its totient is φ = 8820680184.

The previous prime is 13231020277. The next prime is 13231020311. The reversal of 13231020303 is 30302013231.

13231020303 is a `hidden beast` number, since 1 + 32 + 310 + 20 + 303 = 666.

It is not a de Polignac number, because 13231020303 - 2⁶ = 13231020239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231020373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245018868 + ... + 245018921.

It is an arithmetic number, because the mean of its divisors is an integer number (2450188950).

Almost surely, 2^13231020303 is an apocalyptic number.

13231020303 is a deficient number, since it is larger than the sum of its proper divisors (6370491297).

13231020303 is an equidigital number, since it uses as much as digits as its factorization.

13231020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490037798 (or 490037792 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13231020303 its reverse (30302013231), we get a palindrome (43533033534).

The spelling of 13231020303 in words is "thirteen billion, two hundred thirty-one million, twenty thousand, three hundred three".