320130001 has 4 divisors (see below), whose sum is σ = 320553652. Its totient is φ = 319706352.

The previous prime is 320129989. The next prime is 320130007. The reversal of 320130001 is 100031023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100031023 = 2713 ⋅36871.

It can be written as a sum of positive squares in 2 ways, for example, as 70963776 + 249166225 = 8424^2 + 15785^2 .

It is a cyclic number.

It is not a de Polignac number, because 320130001 - 2⁹ = 320129489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320130001.

It is not an unprimeable number, because it can be changed into a prime (320130007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210690 + ... + 212203.

It is an arithmetic number, because the mean of its divisors is an integer number (80138413).

Almost surely, 2^320130001 is an apocalyptic number.

It is an amenable number.

320130001 is a deficient number, since it is larger than the sum of its proper divisors (423651).

320130001 is an equidigital number, since it uses as much as digits as its factorization.

320130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423650.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 320130001 is about 17892.1770894433. The cubic root of 320130001 is about 684.0829905401.

Adding to 320130001 its reverse (100031023), we get a palindrome (420161024).

It can be divided in two parts, 320 and 130001, that added together give a 4-th power (130321 = 19⁴).

The spelling of 320130001 in words is "three hundred twenty million, one hundred thirty thousand, one".