1331012031003 has 64 divisors (see below), whose sum is σ = 2044593100800. Its totient is φ = 855385090560.

The previous prime is 1331012030983. The next prime is 1331012031031. The reversal of 1331012031003 is 3001302101331.

It is a happy number.

1331012031003 is a `hidden beast` number, since 1 + 331 + 0 + 1 + 20 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 1331012031003 - 2¹⁸ = 1331011768859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331012031703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16107733 + ... + 16190153.

It is an arithmetic number, because the mean of its divisors is an integer number (31946767200).

Almost surely, 2^{1331012031003} is an apocalyptic number.

1331012031003 is a deficient number, since it is larger than the sum of its proper divisors (713581069797).

1331012031003 is a wasteful number, since it uses less digits than its factorization.

1331012031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82689 (or 82683 counting only the distinct ones).

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

Adding to 1331012031003 its reverse (3001302101331), we get a palindrome (4332314132334).

The spelling of 1331012031003 in words is "one trillion, three hundred thirty-one billion, twelve million, thirty-one thousand, three".