1330340531 has 8 divisors (see below), whose sum is σ = 1445819760. Its totient is φ = 1216739232.

The previous prime is 1330340509. The next prime is 1330340549. The reversal of 1330340531 is 1350430331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1330340531 - 2¹⁴ = 1330324147 is a prime.

It is a super-3 number, since 3×1330340531³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330340497 and 1330340506.

It is not an unprimeable number, because it can be changed into a prime (1330340731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468005 + ... + 470838.

It is an arithmetic number, because the mean of its divisors is an integer number (180727470).

Almost surely, 2^1330340531 is an apocalyptic number.

1330340531 is a deficient number, since it is larger than the sum of its proper divisors (115479229).

1330340531 is a wasteful number, since it uses less digits than its factorization.

1330340531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938965.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1330340531 is about 36473.8335111625. The cubic root of 1330340531 is about 1099.8182980867.

Adding to 1330340531 its reverse (1350430331), we get a palindrome (2680770862).

The spelling of 1330340531 in words is "one billion, three hundred thirty million, three hundred forty thousand, five hundred thirty-one".