313321413 has 8 divisors (see below), whose sum is σ = 423997408. Its totient is φ = 205763184.

The previous prime is 313321409. The next prime is 313321453. The reversal of 313321413 is 314123313.

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

It is not a de Polignac number, because 313321413 - 2² = 313321409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313321413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779206 + ... + 779607.

It is an arithmetic number, because the mean of its divisors is an integer number (52999676).

Almost surely, 2^313321413 is an apocalyptic number.

It is an amenable number.

313321413 is a deficient number, since it is larger than the sum of its proper divisors (110675995).

313321413 is a wasteful number, since it uses less digits than its factorization.

313321413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558883.

The product of its digits is 648, while the sum is 21.

The square root of 313321413 is about 17700.8873506387. The cubic root of 313321413 is about 679.1984594014.

Adding to 313321413 its reverse (314123313), we get a palindrome (627444726).

The spelling of 313321413 in words is "three hundred thirteen million, three hundred twenty-one thousand, four hundred thirteen".