203122233013 has 4 divisors (see below), whose sum is σ = 232139694880. Its totient is φ = 174104771148.

The previous prime is 203122232927. The next prime is 203122233037. The reversal of 203122233013 is 310332221302.

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 not a de Polignac number, because 203122233013 - 2²¹ = 203120135861 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 (203122233043) 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, 14508730923 + ... + 14508730936.

It is an arithmetic number, because the mean of its divisors is an integer number (58034923720).

Almost surely, 2^203122233013 is an apocalyptic number.

It is an amenable number.

203122233013 is a deficient number, since it is larger than the sum of its proper divisors (29017461867).

203122233013 is an equidigital number, since it uses as much as digits as its factorization.

203122233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29017461866.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203122233013 its reverse (310332221302), we get a palindrome (513454454315).

The spelling of 203122233013 in words is "two hundred three billion, one hundred twenty-two million, two hundred thirty-three thousand, thirteen".