1003231212013 has 2 divisors, whose sum is σ = 1003231212014. Its totient is φ = 1003231212012.

The previous prime is 1003231211987. The next prime is 1003231212059. The reversal of 1003231212013 is 3102121323001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596235698569 + 406995513444 = 772163^2 + 637962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003231212013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003231212413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501615606006 + 501615606007.

It is an arithmetic number, because the mean of its divisors is an integer number (501615606007).

Almost surely, 2^{1003231212013} is an apocalyptic number.

It is an amenable number.

1003231212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003231212013 is an equidigital number, since it uses as much as digits as its factorization.

1003231212013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1003231212013 its reverse (3102121323001), we get a palindrome (4105352535014).

The spelling of 1003231212013 in words is "one trillion, three billion, two hundred thirty-one million, two hundred twelve thousand, thirteen".