1330201331 has 4 divisors (see below), whose sum is σ = 1331490072. Its totient is φ = 1328912592.

The previous prime is 1330201321. The next prime is 1330201333. The reversal of 1330201331 is 1331020331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330201331 - 2¹⁸ = 1329939187 is a prime.

It is a super-2 number, since 2×1330201331² = 3538871161988343122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330201333) 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, 642821 + ... + 644886.

It is an arithmetic number, because the mean of its divisors is an integer number (332872518).

Almost surely, 2^1330201331 is an apocalyptic number.

1330201331 is a deficient number, since it is larger than the sum of its proper divisors (1288741).

1330201331 is a wasteful number, since it uses less digits than its factorization.

1330201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288740.

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

The square root of 1330201331 is about 36471.9252439462. The cubic root of 1330201331 is about 1099.7799369695.

Adding to 1330201331 its reverse (1331020331), we get a palindrome (2661221662).

The spelling of 1330201331 in words is "one billion, three hundred thirty million, two hundred one thousand, three hundred thirty-one".