1301330321 has 8 divisors (see below), whose sum is σ = 1316759040. Its totient is φ = 1285919712.

The previous prime is 1301330309. The next prime is 1301330377. The reversal of 1301330321 is 1230331031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301330321 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 1301330321.

It is not an unprimeable number, because it can be changed into a prime (1301330521) 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, 187316 + ... + 194138.

It is an arithmetic number, because the mean of its divisors is an integer number (164594880).

Almost surely, 2^1301330321 is an apocalyptic number.

It is an amenable number.

1301330321 is a deficient number, since it is larger than the sum of its proper divisors (15428719).

1301330321 is an equidigital number, since it uses as much as digits as its factorization.

1301330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1301330321 is about 36073.9562704176. The cubic root of 1301330321 is about 1091.7650389322.

Adding to 1301330321 its reverse (1230331031), we get a palindrome (2531661352).

It can be divided in two parts, 13013 and 30321, that added together give a palindrome (43334).

The spelling of 1301330321 in words is "one billion, three hundred one million, three hundred thirty thousand, three hundred twenty-one".