320151601 has 48 divisors (see below), whose sum is σ = 422876160. Its totient is φ = 236966400.

The previous prime is 320151593. The next prime is 320151613. The reversal of 320151601 is 106151023.

It is not a de Polignac number, because 320151601 - 2³ = 320151593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320151631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2336805 + ... + 2336941.

It is an arithmetic number, because the mean of its divisors is an integer number (8809920).

Almost surely, 2^320151601 is an apocalyptic number.

320151601 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320151601 is a deficient number, since it is larger than the sum of its proper divisors (102724559).

320151601 is a wasteful number, since it uses less digits than its factorization.

320151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 320151601 is about 17892.7806950178. The cubic root of 320151601 is about 684.0983758109.

The spelling of 320151601 in words is "three hundred twenty million, one hundred fifty-one thousand, six hundred one".