1331301021003 has 48 divisors (see below), whose sum is σ = 1945270259712. Its totient is φ = 877317480000.

The previous prime is 1331301020981. The next prime is 1331301021013. The reversal of 1331301021003 is 3001201031331.

It is a happy number.

It is not a de Polignac number, because 1331301021003 - 2⁸ = 1331301020747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331301021013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390752926 + ... + 390756332.

It is an arithmetic number, because the mean of its divisors is an integer number (40526463744).

Almost surely, 2^{1331301021003} is an apocalyptic number.

1331301021003 is a deficient number, since it is larger than the sum of its proper divisors (613969238709).

1331301021003 is a wasteful number, since it uses less digits than its factorization.

1331301021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1331301021003 its reverse (3001201031331), we get a palindrome (4332502052334).

The spelling of 1331301021003 in words is "one trillion, three hundred thirty-one billion, three hundred one million, twenty-one thousand, three".