321424971 has 8 divisors (see below), whose sum is σ = 489790464. Its totient is φ = 183671400.

The previous prime is 321424969. The next prime is 321425011. The reversal of 321424971 is 179424123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321424971 - 2¹ = 321424969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321524971) 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 7 ways as a sum of consecutive naturals, for example, 7652955 + ... + 7652996.

It is an arithmetic number, because the mean of its divisors is an integer number (61223808).

Almost surely, 2^321424971 is an apocalyptic number.

321424971 is a deficient number, since it is larger than the sum of its proper divisors (168365493).

321424971 is a wasteful number, since it uses less digits than its factorization.

321424971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305961.

The product of its digits is 12096, while the sum is 33.

The square root of 321424971 is about 17928.3287285792. The cubic root of 321424971 is about 685.0041529221.

The spelling of 321424971 in words is "three hundred twenty-one million, four hundred twenty-four thousand, nine hundred seventy-one".