203343230131 has 4 divisors (see below), whose sum is σ = 203407440192. Its totient is φ = 203279020072.

The previous prime is 203343230093. The next prime is 203343230159. The reversal of 203343230131 is 131032343302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203343230131 - 2²⁹ = 202806359219 is a prime.

It is a super-2 number, since 2×203343230131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203343230096 and 203343230105.

It is not an unprimeable number, because it can be changed into a prime (203343230171) 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, 32100280 + ... + 32106613.

It is an arithmetic number, because the mean of its divisors is an integer number (50851860048).

Almost surely, 2^203343230131 is an apocalyptic number.

203343230131 is a deficient number, since it is larger than the sum of its proper divisors (64210061).

203343230131 is an equidigital number, since it uses as much as digits as its factorization.

203343230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64210060.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203343230131 its reverse (131032343302), we get a palindrome (334375573433).

The spelling of 203343230131 in words is "two hundred three billion, three hundred forty-three million, two hundred thirty thousand, one hundred thirty-one".