203012301002213 has 4 divisors (see below), whose sum is σ = 206340371510508. Its totient is φ = 199684230493920.

The previous prime is 203012301002209. The next prime is 203012301002219. The reversal of 203012301002213 is 312200103210302.

203012301002213 is digitally balanced in base 2, 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 8290984671649 + 194721316330564 = 2879407^2 + 13954258^2 .

It is a cyclic number.

It is not a de Polignac number, because 203012301002213 - 2² = 203012301002209 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 (203012301002219) 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, 1664035254056 + ... + 1664035254177.

It is an arithmetic number, because the mean of its divisors is an integer number (51585092877627).

Almost surely, 2^{203012301002213} is an apocalyptic number.

It is an amenable number.

203012301002213 is a deficient number, since it is larger than the sum of its proper divisors (3328070508295).

203012301002213 is an equidigital number, since it uses as much as digits as its factorization.

203012301002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328070508294.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203012301002213 its reverse (312200103210302), we get a palindrome (515212404212515).

The spelling of 203012301002213 in words is "two hundred three trillion, twelve billion, three hundred one million, two thousand, two hundred thirteen".