203122002013 has 16 divisors (see below), whose sum is σ = 234125015040. Its totient is φ = 172618767216.

The previous prime is 203122001987. The next prime is 203122002029. The reversal of 203122002013 is 310200221302.

203122002013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-203122002013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122006013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582456 + ... + 863422.

It is an arithmetic number, because the mean of its divisors is an integer number (14632813440).

Almost surely, 2^203122002013 is an apocalyptic number.

It is an amenable number.

203122002013 is a deficient number, since it is larger than the sum of its proper divisors (31003013027).

203122002013 is a wasteful number, since it uses less digits than its factorization.

203122002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281856.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203122002013 its reverse (310200221302), we get a palindrome (513322223315).

The spelling of 203122002013 in words is "two hundred three billion, one hundred twenty-two million, two thousand, thirteen".