203471107143 has 4 divisors (see below), whose sum is σ = 271294809528. Its totient is φ = 135647404760.

The previous prime is 203471107057. The next prime is 203471107187. The reversal of 203471107143 is 341701174302.

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 203471107143 - 2⁸ = 203471106887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203471107643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33911851188 + ... + 33911851193.

It is an arithmetic number, because the mean of its divisors is an integer number (67823702382).

Almost surely, 2^203471107143 is an apocalyptic number.

203471107143 is a deficient number, since it is larger than the sum of its proper divisors (67823702385).

203471107143 is an equidigital number, since it uses as much as digits as its factorization.

203471107143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67823702384.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 203471107143 in words is "two hundred three billion, four hundred seventy-one million, one hundred seven thousand, one hundred forty-three".