321100514345 has 8 divisors (see below), whose sum is σ = 414960664776. Its totient is φ = 237120379776.

The previous prime is 321100514309. The next prime is 321100514347. The reversal of 321100514345 is 543415001123.

It can be written as a sum of positive squares in 4 ways, for example, as 41417134144 + 279683380201 = 203512^2 + 528851^2 .

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 321100514345 - 2¹⁴ = 321100497961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321100514347) 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, 2470003892 + ... + 2470004021.

It is an arithmetic number, because the mean of its divisors is an integer number (51870083097).

Almost surely, 2^321100514345 is an apocalyptic number.

It is an amenable number.

321100514345 is a deficient number, since it is larger than the sum of its proper divisors (93860150431).

321100514345 is a wasteful number, since it uses less digits than its factorization.

321100514345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940007931.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 321100514345 its reverse (543415001123), we get a palindrome (864515515468).

The spelling of 321100514345 in words is "three hundred twenty-one billion, one hundred million, five hundred fourteen thousand, three hundred forty-five".