1200313013 has 4 divisors (see below), whose sum is σ = 1200392928. Its totient is φ = 1200233100.

The previous prime is 1200312989. The next prime is 1200313021. The reversal of 1200313013 is 3103130021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1200313013 - 2²⁴ = 1183535797 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 (1200313073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9881 + ... + 49982.

It is an arithmetic number, because the mean of its divisors is an integer number (300098232).

Almost surely, 2^1200313013 is an apocalyptic number.

It is an amenable number.

1200313013 is a deficient number, since it is larger than the sum of its proper divisors (79915).

1200313013 is an equidigital number, since it uses as much as digits as its factorization.

1200313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79914.

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

The square root of 1200313013 is about 34645.5338102908. The cubic root of 1200313013 is about 1062.7509572464.

Adding to 1200313013 its reverse (3103130021), we get a palindrome (4303443034).

The spelling of 1200313013 in words is "one billion, two hundred million, three hundred thirteen thousand, thirteen".