13431121303 has 8 divisors (see below), whose sum is σ = 14225121072. Its totient is φ = 12637558656.

The previous prime is 13431121283. The next prime is 13431121307. The reversal of 13431121303 is 30312113431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13431121303 - 2³³ = 4841186711 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 (13431121307) 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, 44925 + ... + 169942.

It is an arithmetic number, because the mean of its divisors is an integer number (1778140134).

Almost surely, 2^13431121303 is an apocalyptic number.

13431121303 is a deficient number, since it is larger than the sum of its proper divisors (793999769).

13431121303 is a wasteful number, since it uses less digits than its factorization.

13431121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218561.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13431121303 its reverse (30312113431), we get a palindrome (43743234734).

The spelling of 13431121303 in words is "thirteen billion, four hundred thirty-one million, one hundred twenty-one thousand, three hundred three".