201134431103 has 4 divisors (see below), whose sum is σ = 203680436640. Its totient is φ = 198588425568.

The previous prime is 201134431093. The next prime is 201134431109. The reversal of 201134431103 is 301134431102.

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 201134431103 - 2¹² = 201134427007 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 (201134431109) 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, 1273002650 + ... + 1273002807.

It is an arithmetic number, because the mean of its divisors is an integer number (50920109160).

Almost surely, 2^201134431103 is an apocalyptic number.

201134431103 is a deficient number, since it is larger than the sum of its proper divisors (2546005537).

201134431103 is an equidigital number, since it uses as much as digits as its factorization.

201134431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546005536.

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

Adding to 201134431103 its reverse (301134431102), we get a palindrome (502268862205).

Subtracting 201134431103 from its reverse (301134431102), we obtain a palindrome (99999999999).

The spelling of 201134431103 in words is "two hundred one billion, one hundred thirty-four million, four hundred thirty-one thousand, one hundred three".