203013121312203 has 32 divisors (see below), whose sum is σ = 276645656365056. Its totient is φ = 132393553279488.

The previous prime is 203013121312153. The next prime is 203013121312249. The reversal of 203013121312203 is 302213121310302.

It is not a de Polignac number, because 203013121312203 - 2³⁰ = 203012047570379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203013121312003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30026026 + ... + 36160592.

It is an arithmetic number, because the mean of its divisors is an integer number (8645176761408).

Almost surely, 2^{203013121312203} is an apocalyptic number.

203013121312203 is a deficient number, since it is larger than the sum of its proper divisors (73632535052853).

203013121312203 is a wasteful number, since it uses less digits than its factorization.

203013121312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135883.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203013121312203 its reverse (302213121310302), we get a palindrome (505226242622505).

The spelling of 203013121312203 in words is "two hundred three trillion, thirteen billion, one hundred twenty-one million, three hundred twelve thousand, two hundred three".