13031232121303 has 16 divisors (see below), whose sum is σ = 15052232871936. Its totient is φ = 11149632519040.

The previous prime is 13031232121247. The next prime is 13031232121331. The reversal of 13031232121303 is 30312123213031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031232121303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031232121703) 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, 45043050 + ... + 45331432.

It is an arithmetic number, because the mean of its divisors is an integer number (940764554496).

Almost surely, 2^{13031232121303} is an apocalyptic number.

13031232121303 is a deficient number, since it is larger than the sum of its proper divisors (2021000750633).

13031232121303 is a wasteful number, since it uses less digits than its factorization.

13031232121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530054.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13031232121303 its reverse (30312123213031), we get a palindrome (43343355334334).

The spelling of 13031232121303 in words is "thirteen trillion, thirty-one billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred three".