1203013013 has 2 divisors, whose sum is σ = 1203013014. Its totient is φ = 1203013012.

The previous prime is 1203012991. The next prime is 1203013043. The reversal of 1203013013 is 3103103021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122049009 + 80964004 = 33497^2 + 8998^2 .

It is an emirp because it is prime and its reverse (3103103021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203013013 - 2⁸ = 1203012757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203013043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601506506 + 601506507.

It is an arithmetic number, because the mean of its divisors is an integer number (601506507).

Almost surely, 2^1203013013 is an apocalyptic number.

It is an amenable number.

1203013013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203013013 is an equidigital number, since it uses as much as digits as its factorization.

1203013013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1203013013 is about 34684.4779836745. The cubic root of 1203013013 is about 1063.5472158692.

Adding to 1203013013 its reverse (3103103021), we get a palindrome (4306116034).

The spelling of 1203013013 in words is "one billion, two hundred three million, thirteen thousand, thirteen".