1331320301 has 8 divisors (see below), whose sum is σ = 1336247808. Its totient is φ = 1326402000.

The previous prime is 1331320271. The next prime is 1331320321. The reversal of 1331320301 is 1030231331.

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-1331320301 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 1331320301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415616 + ... + 418806.

It is an arithmetic number, because the mean of its divisors is an integer number (167030976).

Almost surely, 2^1331320301 is an apocalyptic number.

It is an amenable number.

1331320301 is a deficient number, since it is larger than the sum of its proper divisors (4927507).

1331320301 is an equidigital number, since it uses as much as digits as its factorization.

1331320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603.

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

The square root of 1331320301 is about 36487.2621746275. The cubic root of 1331320301 is about 1100.0882301130.

Adding to 1331320301 its reverse (1030231331), we get a palindrome (2361551632).

The spelling of 1331320301 in words is "one billion, three hundred thirty-one million, three hundred twenty thousand, three hundred one".