203143024324111 has 4 divisors (see below), whose sum is σ = 203356185945552. Its totient is φ = 202929862702672.

The previous prime is 203143024324109. The next prime is 203143024324117. The reversal of 203143024324111 is 111423420341302.

It is a happy number.

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 203143024324111 - 2¹ = 203143024324109 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 (203143024324117) 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, 106580809291 + ... + 106580811196.

It is an arithmetic number, because the mean of its divisors is an integer number (50839046486388).

Almost surely, 2^{203143024324111} is an apocalyptic number.

203143024324111 is a deficient number, since it is larger than the sum of its proper divisors (213161621441).

203143024324111 is an equidigital number, since it uses as much as digits as its factorization.

203143024324111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213161621440.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 203143024324111 its reverse (111423420341302), we get a palindrome (314566444665413).

The spelling of 203143024324111 in words is "two hundred three trillion, one hundred forty-three billion, twenty-four million, three hundred twenty-four thousand, one hundred eleven".