203430314111 has 4 divisors (see below), whose sum is σ = 203984620512. Its totient is φ = 202876007712.

The previous prime is 203430314069. The next prime is 203430314147. The reversal of 203430314111 is 111413034302.

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 203430314111 - 2¹⁴ = 203430297727 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 (203430304111) 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, 277152650 + ... + 277153383.

It is an arithmetic number, because the mean of its divisors is an integer number (50996155128).

Almost surely, 2^203430314111 is an apocalyptic number.

203430314111 is a deficient number, since it is larger than the sum of its proper divisors (554306401).

203430314111 is an equidigital number, since it uses as much as digits as its factorization.

203430314111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554306400.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203430314111 its reverse (111413034302), we get a palindrome (314843348413).

The spelling of 203430314111 in words is "two hundred three billion, four hundred thirty million, three hundred fourteen thousand, one hundred eleven".