13131203 has 2 divisors, whose sum is σ = 13131204. Its totient is φ = 13131202.

The previous prime is 13131199. The next prime is 13131233. The reversal of 13131203 is 30213131.

13131203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13131203 - 2² = 13131199 is a prime.

It is not a weakly prime, because it can be changed into another prime (13131233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565601 + 6565602.

It is an arithmetic number, because the mean of its divisors is an integer number (6565602).

Almost surely, 2^13131203 is an apocalyptic number.

13131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131203 is an equidigital number, since it uses as much as digits as its factorization.

13131203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13131203 is about 3623.7001807545. The cubic root of 13131203 is about 235.9218536150.

Adding to 13131203 its reverse (30213131), we get a palindrome (43344334).

The spelling of 13131203 in words is "thirteen million, one hundred thirty-one thousand, two hundred three".