313421613 has 8 divisors (see below), whose sum is σ = 420946368. Its totient is φ = 207422304.

The previous prime is 313421597. The next prime is 313421699. The reversal of 313421613 is 316124313.

It is a happy number.

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

It is not a de Polignac number, because 313421613 - 2⁴ = 313421597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313421113) 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 7 ways as a sum of consecutive naturals, for example, 380881 + ... + 381702.

It is an arithmetic number, because the mean of its divisors is an integer number (52618296).

Almost surely, 2^313421613 is an apocalyptic number.

It is an amenable number.

313421613 is a deficient number, since it is larger than the sum of its proper divisors (107524755).

313421613 is a wasteful number, since it uses less digits than its factorization.

313421613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762723.

The product of its digits is 1296, while the sum is 24.

The square root of 313421613 is about 17703.7174909678. The cubic root of 313421613 is about 679.2708541047.

Adding to 313421613 its reverse (316124313), we get a palindrome (629545926).

The spelling of 313421613 in words is "three hundred thirteen million, four hundred twenty-one thousand, six hundred thirteen".