1200333431103 has 4 divisors (see below), whose sum is σ = 1600444574808. Its totient is φ = 800222287400.

The previous prime is 1200333431057. The next prime is 1200333431149. The reversal of 1200333431103 is 3011343330021.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1200333431057) and next prime (1200333431149).

It is a cyclic number.

It is not a de Polignac number, because 1200333431103 - 2⁶ = 1200333431039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200333431183) 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, 200055571848 + ... + 200055571853.

It is an arithmetic number, because the mean of its divisors is an integer number (400111143702).

Almost surely, 2^{1200333431103} is an apocalyptic number.

1200333431103 is a deficient number, since it is larger than the sum of its proper divisors (400111143705).

1200333431103 is an equidigital number, since it uses as much as digits as its factorization.

1200333431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400111143704.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1200333431103 its reverse (3011343330021), we get a palindrome (4211676761124).

The spelling of 1200333431103 in words is "one trillion, two hundred billion, three hundred thirty-three million, four hundred thirty-one thousand, one hundred three".