1313205335 has 16 divisors (see below), whose sum is σ = 1707241536. Its totient is φ = 963936768.

The previous prime is 1313205331. The next prime is 1313205343. The reversal of 1313205335 is 5335023131.

It is a cyclic number.

It is not a de Polignac number, because 1313205335 - 2² = 1313205331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313205331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49634 + ... + 71343.

It is an arithmetic number, because the mean of its divisors is an integer number (106702596).

Almost surely, 2^1313205335 is an apocalyptic number.

1313205335 is a deficient number, since it is larger than the sum of its proper divisors (394036201).

1313205335 is a wasteful number, since it uses less digits than its factorization.

1313205335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121162.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1313205335 is about 36238.1751058190. The cubic root of 1313205335 is about 1095.0758786197.

Adding to 1313205335 its reverse (5335023131), we get a palindrome (6648228466).

The spelling of 1313205335 in words is "one billion, three hundred thirteen million, two hundred five thousand, three hundred thirty-five".