1200231331003 has 4 divisors (see below), whose sum is σ = 1208866088920. Its totient is φ = 1191596573088.

The previous prime is 1200231330973. The next prime is 1200231331027. The reversal of 1200231331003 is 3001331320021.

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 1200231331003 - 2²¹ = 1200229233851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200231331043) 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, 4317378750 + ... + 4317379027.

It is an arithmetic number, because the mean of its divisors is an integer number (302216522230).

Almost surely, 2^{1200231331003} is an apocalyptic number.

1200231331003 is a deficient number, since it is larger than the sum of its proper divisors (8634757917).

1200231331003 is an equidigital number, since it uses as much as digits as its factorization.

1200231331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634757916.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1200231331003 its reverse (3001331320021), we get a palindrome (4201562651024).

The spelling of 1200231331003 in words is "one trillion, two hundred billion, two hundred thirty-one million, three hundred thirty-one thousand, three".