1330660331 has 64 divisors (see below), whose sum is σ = 1929553920. Its totient is φ = 883491840.

The previous prime is 1330660319. The next prime is 1330660333.

1330660331 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1330660331 is a prime.

It is a super-2 number, since 2×1330660331² = 3541313832994059122, 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 1330660331.

It is not an unprimeable number, because it can be changed into a prime (1330660333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 666671 + ... + 668663.

It is an arithmetic number, because the mean of its divisors is an integer number (30149280).

Almost surely, 2^1330660331 is an apocalyptic number.

1330660331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1330660331 is a deficient number, since it is larger than the sum of its proper divisors (598893589).

1330660331 is a wasteful number, since it uses less digits than its factorization.

1330660331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 1330660331 is about 36478.2172124680. The cubic root of 1330660331 is about 1099.9064193117.

It can be divided in two parts, 13306 and 60331, that added together give a palindrome (73637).

The spelling of 1330660331 in words is "one billion, three hundred thirty million, six hundred sixty thousand, three hundred thirty-one".