321319097 has 8 divisors (see below), whose sum is σ = 350699232. Its totient is φ = 291967200.

The previous prime is 321319081. The next prime is 321319111. The reversal of 321319097 is 790913123.

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 321319097 - 2⁴ = 321319081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321319007) 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, 21938 + ... + 33524.

It is an arithmetic number, because the mean of its divisors is an integer number (43837404).

Almost surely, 2^321319097 is an apocalyptic number.

It is an amenable number.

321319097 is a deficient number, since it is larger than the sum of its proper divisors (29380135).

321319097 is a wasteful number, since it uses less digits than its factorization.

321319097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 321319097 is about 17925.3757840666. The cubic root of 321319097 is about 684.9289336116.

The spelling of 321319097 in words is "three hundred twenty-one million, three hundred nineteen thousand, ninety-seven".