13121133303 has 16 divisors (see below), whose sum is σ = 17960656896. Its totient is φ = 8516465760.

The previous prime is 13121133301. The next prime is 13121133323. The reversal of 13121133303 is 30333112131.

It is not a de Polignac number, because 13121133303 - 2¹ = 13121133301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13121133303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121133301) 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, 216676 + ... + 270537.

It is an arithmetic number, because the mean of its divisors is an integer number (1122541056).

Almost surely, 2^13121133303 is an apocalyptic number.

13121133303 is a deficient number, since it is larger than the sum of its proper divisors (4839523593).

13121133303 is a wasteful number, since it uses less digits than its factorization.

13121133303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487454.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13121133303 its reverse (30333112131), we get a palindrome (43454245434).

The spelling of 13121133303 in words is "thirteen billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred three".