203343414011 has 4 divisors (see below), whose sum is σ = 203383142400. Its totient is φ = 203303685624.

The previous prime is 203343413963. The next prime is 203343414013. The reversal of 203343414011 is 110414343302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203343414011 is a prime.

It is a super-2 number, since 2×203343414011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343414013) 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, 19856516 + ... + 19866753.

It is an arithmetic number, because the mean of its divisors is an integer number (50845785600).

Almost surely, 2^203343414011 is an apocalyptic number.

203343414011 is a deficient number, since it is larger than the sum of its proper divisors (39728389).

203343414011 is an equidigital number, since it uses as much as digits as its factorization.

203343414011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39728388.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203343414011 its reverse (110414343302), we get a palindrome (313757757313).

The spelling of 203343414011 in words is "two hundred three billion, three hundred forty-three million, four hundred fourteen thousand, eleven".