203002223013 has 12 divisors (see below), whose sum is σ = 308658351040. Its totient is φ = 128211930216.

The previous prime is 203002223009. The next prime is 203002223057. The reversal of 203002223013 is 310322200302.

It is a happy number.

It is not a de Polignac number, because 203002223013 - 2² = 203002223009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203002223093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593573581 + ... + 593573922.

Almost surely, 2^203002223013 is an apocalyptic number.

It is an amenable number.

203002223013 is a deficient number, since it is larger than the sum of its proper divisors (105656128027).

203002223013 is a wasteful number, since it uses less digits than its factorization.

203002223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187147528 (or 1187147525 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203002223013 its reverse (310322200302), we get a palindrome (513324423315).

The spelling of 203002223013 in words is "two hundred three billion, two million, two hundred twenty-three thousand, thirteen".