10203055013 has 4 divisors (see below), whose sum is σ = 10203367020. Its totient is φ = 10202743008.

The previous prime is 10203055003. The next prime is 10203055067. The reversal of 10203055013 is 31055030201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8045731204 + 2157323809 = 89698^2 + 46447^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203055013 - 2¹² = 10203050917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203055003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100328 + ... + 174561.

It is an arithmetic number, because the mean of its divisors is an integer number (2550841755).

Almost surely, 2^10203055013 is an apocalyptic number.

It is an amenable number.

10203055013 is a deficient number, since it is larger than the sum of its proper divisors (312007).

10203055013 is an equidigital number, since it uses as much as digits as its factorization.

10203055013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312006.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 10203055013 its reverse (31055030201), we get a palindrome (41258085214).

The spelling of 10203055013 in words is "ten billion, two hundred three million, fifty-five thousand, thirteen".