13121032031203 has 4 divisors (see below), whose sum is σ = 13300772196088. Its totient is φ = 12941291866320.

The previous prime is 13121032031197. The next prime is 13121032031269. The reversal of 13121032031203 is 30213023012131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121032031203 is a prime.

It is a super-2 number, since 2×13121032031203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122032031203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89870082333 + ... + 89870082478.

It is an arithmetic number, because the mean of its divisors is an integer number (3325193049022).

Almost surely, 2^{13121032031203} is an apocalyptic number.

13121032031203 is a deficient number, since it is larger than the sum of its proper divisors (179740164885).

13121032031203 is an equidigital number, since it uses as much as digits as its factorization.

13121032031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179740164884.

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

Adding to 13121032031203 its reverse (30213023012131), we get a palindrome (43334055043334).

The spelling of 13121032031203 in words is "thirteen trillion, one hundred twenty-one billion, thirty-two million, thirty-one thousand, two hundred three".