1300303221 has 8 divisors (see below), whose sum is σ = 1981414464. Its totient is φ = 743030400.

The previous prime is 1300303201. The next prime is 1300303223. The reversal of 1300303221 is 1223030031.

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

It is not a de Polignac number, because 1300303221 - 2¹⁸ = 1300041077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300303223) 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, 30959580 + ... + 30959621.

It is an arithmetic number, because the mean of its divisors is an integer number (247676808).

Almost surely, 2^1300303221 is an apocalyptic number.

It is an amenable number.

1300303221 is a deficient number, since it is larger than the sum of its proper divisors (681111243).

1300303221 is an equidigital number, since it uses as much as digits as its factorization.

1300303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61919211.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300303221 is about 36059.7174281774. The cubic root of 1300303221 is about 1091.4777311419.

Adding to 1300303221 its reverse (1223030031), we get a palindrome (2523333252).

The spelling of 1300303221 in words is "one billion, three hundred million, three hundred three thousand, two hundred twenty-one".