1331200003 has 24 divisors (see below), whose sum is σ = 1630322208. Its totient is φ = 1081656576.

The previous prime is 1331200001. The next prime is 1331200009. The reversal of 1331200003 is 3000021331.

It is not a de Polignac number, because 1331200003 - 2¹ = 1331200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122125 + ... + 132577.

It is an arithmetic number, because the mean of its divisors is an integer number (67930092).

Almost surely, 2^1331200003 is an apocalyptic number.

1331200003 is a deficient number, since it is larger than the sum of its proper divisors (299122205).

1331200003 is a wasteful number, since it uses less digits than its factorization.

1331200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603 (or 10596 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1331200003 is about 36485.6136442845. The cubic root of 1331200003 is about 1100.0550944857.

Adding to 1331200003 its reverse (3000021331), we get a palindrome (4331221334).

The spelling of 1331200003 in words is "one billion, three hundred thirty-one million, two hundred thousand, three".