1003231233013 has 6 divisors (see below), whose sum is σ = 1031078412546. Its totient is φ = 976116874032.

The previous prime is 1003231232893. The next prime is 1003231233047. The reversal of 1003231233013 is 3103321323001.

It can be written as a sum of positive squares in 3 ways, for example, as 819428679729 + 183802553284 = 905223^2 + 428722^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1003231233013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003231233313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366408870 + ... + 366411607.

It is an arithmetic number, because the mean of its divisors is an integer number (171846402091).

Almost surely, 2^{1003231233013} is an apocalyptic number.

It is an amenable number.

1003231233013 is a deficient number, since it is larger than the sum of its proper divisors (27847179533).

1003231233013 is an frugal number, since it uses more digits than its factorization.

1003231233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732820551 (or 732820514 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1003231233013 its reverse (3103321323001), we get a palindrome (4106552556014).

The spelling of 1003231233013 in words is "one trillion, three billion, two hundred thirty-one million, two hundred thirty-three thousand, thirteen".