203011210013 has 4 divisors (see below), whose sum is σ = 213696010560. Its totient is φ = 192326409468.

The previous prime is 203011209923. The next prime is 203011210097. The reversal of 203011210013 is 310012110302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203011210013 - 2¹⁰ = 203011208989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203011210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203011210513) 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, 5342400245 + ... + 5342400282.

It is an arithmetic number, because the mean of its divisors is an integer number (53424002640).

Almost surely, 2^203011210013 is an apocalyptic number.

It is an amenable number.

203011210013 is a deficient number, since it is larger than the sum of its proper divisors (10684800547).

203011210013 is a wasteful number, since it uses less digits than its factorization.

203011210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684800546.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 203011210013 its reverse (310012110302), we get a palindrome (513023320315).

The spelling of 203011210013 in words is "two hundred three billion, eleven million, two hundred ten thousand, thirteen".