13031020203 has 16 divisors (see below), whose sum is σ = 17792011776. Its totient is φ = 8479680480.

The previous prime is 13031020193. The next prime is 13031020207. The reversal of 13031020203 is 30202013031.

13031020203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13031020203 - 2⁹ = 13031019691 is a prime.

It is a super-2 number, since 2×13031020203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71293 + ... + 176478.

It is an arithmetic number, because the mean of its divisors is an integer number (1112000736).

Almost surely, 2^13031020203 is an apocalyptic number.

13031020203 is a deficient number, since it is larger than the sum of its proper divisors (4760991573).

13031020203 is a wasteful number, since it uses less digits than its factorization.

13031020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248194.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13031020203 its reverse (30202013031), we get a palindrome (43233033234).

The spelling of 13031020203 in words is "thirteen billion, thirty-one million, twenty thousand, two hundred three".