203340203013 has 4 divisors (see below), whose sum is σ = 271120270688. Its totient is φ = 135560135340.

The previous prime is 203340202969. The next prime is 203340203023. The reversal of 203340203013 is 310302043302.

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 203340203013 - 2¹⁷ = 203340071941 is a prime.

It is a super-2 number, since 2×203340203013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203340203023) 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, 33890033833 + ... + 33890033838.

It is an arithmetic number, because the mean of its divisors is an integer number (67780067672).

Almost surely, 2^203340203013 is an apocalyptic number.

It is an amenable number.

203340203013 is a deficient number, since it is larger than the sum of its proper divisors (67780067675).

203340203013 is an equidigital number, since it uses as much as digits as its factorization.

203340203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67780067674.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203340203013 its reverse (310302043302), we get a palindrome (513642246315).

The spelling of 203340203013 in words is "two hundred three billion, three hundred forty million, two hundred three thousand, thirteen".