1204003313 has 2 divisors, whose sum is σ = 1204003314. Its totient is φ = 1204003312.

The previous prime is 1204003309. The next prime is 1204003337. The reversal of 1204003313 is 3133004021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136566369 + 67436944 = 33713^2 + 8212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204003313 - 2² = 1204003309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204003291 and 1204003300.

It is not a weakly prime, because it can be changed into another prime (1204003363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602001656 + 602001657.

It is an arithmetic number, because the mean of its divisors is an integer number (602001657).

Almost surely, 2^1204003313 is an apocalyptic number.

It is an amenable number.

1204003313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204003313 is an equidigital number, since it uses as much as digits as its factorization.

1204003313 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 17.

The square root of 1204003313 is about 34698.7508852985. The cubic root of 1204003313 is about 1063.8389671991.

Adding to 1204003313 its reverse (3133004021), we get a palindrome (4337007334).

The spelling of 1204003313 in words is "one billion, two hundred four million, three thousand, three hundred thirteen".