321480537803 has 4 divisors (see below), whose sum is σ = 321701792208. Its totient is φ = 321259283400.

The previous prime is 321480537797. The next prime is 321480537839. The reversal of 321480537803 is 308735084123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321480537803 - 2³⁶ = 252761061067 is a prime.

It is a super-2 number, since 2×321480537803² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321480536803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110625023 + ... + 110627928.

It is an arithmetic number, because the mean of its divisors is an integer number (80425448052).

Almost surely, 2^321480537803 is an apocalyptic number.

321480537803 is a deficient number, since it is larger than the sum of its proper divisors (221254405).

321480537803 is a wasteful number, since it uses less digits than its factorization.

321480537803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221254404.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 321480537803 in words is "three hundred twenty-one billion, four hundred eighty million, five hundred thirty-seven thousand, eight hundred three".