321471671 has 8 divisors (see below), whose sum is σ = 325484544. Its totient is φ = 317482200.

The previous prime is 321471637. The next prime is 321471679. The reversal of 321471671 is 176174123.

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 321471671 - 2⁶ = 321471607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321471679) 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, 22646 + ... + 33996.

It is an arithmetic number, because the mean of its divisors is an integer number (40685568).

Almost surely, 2^321471671 is an apocalyptic number.

321471671 is a deficient number, since it is larger than the sum of its proper divisors (4012873).

321471671 is a wasteful number, since it uses less digits than its factorization.

321471671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701.

The product of its digits is 7056, while the sum is 32.

The square root of 321471671 is about 17929.6310893448. The cubic root of 321471671 is about 685.0373261845.

The spelling of 321471671 in words is "three hundred twenty-one million, four hundred seventy-one thousand, six hundred seventy-one".