1431201103 has 4 divisors (see below), whose sum is σ = 1440679408. Its totient is φ = 1421722800.

The previous prime is 1431201073. The next prime is 1431201119. The reversal of 1431201103 is 3011021341.

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 1431201103 - 2¹⁷ = 1431070031 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 (1431201143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738926 + ... + 4739227.

It is an arithmetic number, because the mean of its divisors is an integer number (360169852).

Almost surely, 2^1431201103 is an apocalyptic number.

1431201103 is a deficient number, since it is larger than the sum of its proper divisors (9478305).

1431201103 is an equidigital number, since it uses as much as digits as its factorization.

1431201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9478304.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1431201103 is about 37831.2186295921. The cubic root of 1431201103 is about 1126.9385120770.

Adding to 1431201103 its reverse (3011021341), we get a palindrome (4442222444).

The spelling of 1431201103 in words is "one billion, four hundred thirty-one million, two hundred one thousand, one hundred three".