320947151 has 8 divisors (see below), whose sum is σ = 367585920. Its totient is φ = 274505688.

The previous prime is 320947127. The next prime is 320947153. The reversal of 320947151 is 151749023.

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 320947151 - 2⁶ = 320947087 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 (320947153) 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, 45821 + ... + 52358.

It is an arithmetic number, because the mean of its divisors is an integer number (45948240).

Almost surely, 2^320947151 is an apocalyptic number.

320947151 is a deficient number, since it is larger than the sum of its proper divisors (46638769).

320947151 is an equidigital number, since it uses as much as digits as its factorization.

320947151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98653.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 320947151 is about 17914.9979346915. The cubic root of 320947151 is about 684.6645495549.

The spelling of 320947151 in words is "three hundred twenty million, nine hundred forty-seven thousand, one hundred fifty-one".