201231003043 has 4 divisors (see below), whose sum is σ = 229978289200. Its totient is φ = 172483716888.

The previous prime is 201231003023. The next prime is 201231003079. The reversal of 201231003043 is 340300132102.

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

It is not a de Polignac number, because 201231003043 - 2⁵ = 201231003011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201231003043.

It is not an unprimeable number, because it can be changed into a prime (201231003023) 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, 14373643068 + ... + 14373643081.

It is an arithmetic number, because the mean of its divisors is an integer number (57494572300).

Almost surely, 2^201231003043 is an apocalyptic number.

201231003043 is a deficient number, since it is larger than the sum of its proper divisors (28747286157).

201231003043 is an equidigital number, since it uses as much as digits as its factorization.

201231003043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28747286156.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201231003043 its reverse (340300132102), we get a palindrome (541531135145).

The spelling of 201231003043 in words is "two hundred one billion, two hundred thirty-one million, three thousand, forty-three".