203113020233 has 4 divisors (see below), whose sum is σ = 203235600660. Its totient is φ = 202990439808.

The previous prime is 203113020211. The next prime is 203113020251. The reversal of 203113020233 is 332020311302.

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 94795020544 + 108317999689 = 307888^2 + 329117^2 .

It is a cyclic number.

It is not a de Polignac number, because 203113020233 - 2²⁴ = 203096243017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203113020433) 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, 61287728 + ... + 61291041.

It is an arithmetic number, because the mean of its divisors is an integer number (50808900165).

Almost surely, 2^203113020233 is an apocalyptic number.

It is an amenable number.

203113020233 is a deficient number, since it is larger than the sum of its proper divisors (122580427).

203113020233 is a wasteful number, since it uses less digits than its factorization.

203113020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122580426.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203113020233 its reverse (332020311302), we get a palindrome (535133331535).

The spelling of 203113020233 in words is "two hundred three billion, one hundred thirteen million, twenty thousand, two hundred thirty-three".