1313004205 has 8 divisors (see below), whose sum is σ = 1576034712. Its totient is φ = 1050116928.

The previous prime is 1313004179. The next prime is 1313004221. The reversal of 1313004205 is 5024003131.

It can be written as a sum of positive squares in 4 ways, for example, as 90383049 + 1222621156 = 9507^2 + 34966^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313004205 - 2²¹ = 1310907053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14482 + ... + 53251.

It is an arithmetic number, because the mean of its divisors is an integer number (197004339).

Almost surely, 2^1313004205 is an apocalyptic number.

It is an amenable number.

1313004205 is a deficient number, since it is larger than the sum of its proper divisors (263030507).

1313004205 is an equidigital number, since it uses as much as digits as its factorization.

1313004205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71615.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1313004205 is about 36235.3998874029. The cubic root of 1313004205 is about 1095.0199686384.

Adding to 1313004205 its reverse (5024003131), we get a palindrome (6337007336).

The spelling of 1313004205 in words is "one billion, three hundred thirteen million, four thousand, two hundred five".