1330534531 has 2 divisors, whose sum is σ = 1330534532. Its totient is φ = 1330534530.

The previous prime is 1330534519. The next prime is 1330534553. The reversal of 1330534531 is 1354350331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330534531 - 2¹⁵ = 1330501763 is a prime.

It is a super-2 number, since 2×1330534531² = 3540644276366779922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1330534531.

It is not a weakly prime, because it can be changed into another prime (1330514531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665267265 + 665267266.

It is an arithmetic number, because the mean of its divisors is an integer number (665267266).

Almost surely, 2^1330534531 is an apocalyptic number.

1330534531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330534531 is an equidigital number, since it uses as much as digits as its factorization.

1330534531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 1330534531 is about 36476.4928549881. The cubic root of 1330534531 is about 1099.8717566747.

Adding to 1330534531 its reverse (1354350331), we get a palindrome (2684884862).

The spelling of 1330534531 in words is "one billion, three hundred thirty million, five hundred thirty-four thousand, five hundred thirty-one".