321331483 has 4 divisors (see below), whose sum is σ = 350543448. Its totient is φ = 292119520.

The previous prime is 321331481. The next prime is 321331487. The reversal of 321331483 is 384133123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384133123 = 11 ⋅34921193.

It is not a de Polignac number, because 321331483 - 2¹ = 321331481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321331481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14605966 + ... + 14605987.

It is an arithmetic number, because the mean of its divisors is an integer number (87635862).

Almost surely, 2^321331483 is an apocalyptic number.

321331483 is a deficient number, since it is larger than the sum of its proper divisors (29211965).

321331483 is a wasteful number, since it uses less digits than its factorization.

321331483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211964.

The product of its digits is 5184, while the sum is 28.

The square root of 321331483 is about 17925.7212686129. The cubic root of 321331483 is about 684.9377342305.

The spelling of 321331483 in words is "three hundred twenty-one million, three hundred thirty-one thousand, four hundred eighty-three".