313436321 has 8 divisors (see below), whose sum is σ = 353721600. Its totient is φ = 275116240.

The previous prime is 313436317. The next prime is 313436323. The reversal of 313436321 is 123634313.

It is a happy number.

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 313436321 - 2² = 313436317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313436323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490961 + ... + 491598.

It is an arithmetic number, because the mean of its divisors is an integer number (44215200).

Almost surely, 2^313436321 is an apocalyptic number.

It is an amenable number.

313436321 is a deficient number, since it is larger than the sum of its proper divisors (40285279).

313436321 is a wasteful number, since it uses less digits than its factorization.

313436321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982599.

The product of its digits is 3888, while the sum is 26.

The square root of 313436321 is about 17704.1328790766. The cubic root of 313436321 is about 679.2814793658.

It can be divided in two parts, 313 and 436321, that added together give a palindrome (436634).

The spelling of 313436321 in words is "three hundred thirteen million, four hundred thirty-six thousand, three hundred twenty-one".