321133503197 has 8 divisors (see below), whose sum is σ = 345849415800. Its totient is φ = 296419495680.

The previous prime is 321133503193. The next prime is 321133503209. The reversal of 321133503197 is 791305331123.

It can be written as a sum of positive squares in 4 ways, for example, as 3049911076 + 318083592121 = 55226^2 + 563989^2 .

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 321133503197 - 2² = 321133503193 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 321133503197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321133503191) 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, 116072 + ... + 809777.

It is an arithmetic number, because the mean of its divisors is an integer number (43231176975).

Almost surely, 2^321133503197 is an apocalyptic number.

It is an amenable number.

321133503197 is a deficient number, since it is larger than the sum of its proper divisors (24715912603).

321133503197 is a wasteful number, since it uses less digits than its factorization.

321133503197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952543.

The product of its (nonzero) digits is 51030, while the sum is 38.

The spelling of 321133503197 in words is "three hundred twenty-one billion, one hundred thirty-three million, five hundred three thousand, one hundred ninety-seven".