10203001213 has 4 divisors (see below), whose sum is σ = 10203297148. Its totient is φ = 10202705280.

The previous prime is 10203001199. The next prime is 10203001217. The reversal of 10203001213 is 31210030201.

10203001213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1052548249 + 9150452964 = 32443^2 + 95658^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203001213 - 2⁹ = 10203000701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203001193 and 10203001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203001217) 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, 88206 + ... + 167887.

It is an arithmetic number, because the mean of its divisors is an integer number (2550824287).

Almost surely, 2^10203001213 is an apocalyptic number.

It is an amenable number.

10203001213 is a deficient number, since it is larger than the sum of its proper divisors (295935).

10203001213 is an equidigital number, since it uses as much as digits as its factorization.

10203001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295934.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10203001213 its reverse (31210030201), we get a palindrome (41413031414).

The spelling of 10203001213 in words is "ten billion, two hundred three million, one thousand, two hundred thirteen".