1330331432 has 16 divisors (see below), whose sum is σ = 2535263700. Its totient is φ = 654261120.

The previous prime is 1330331419. The next prime is 1330331461. The reversal of 1330331432 is 2341330331.

It can be written as a sum of positive squares in 2 ways, for example, as 891261316 + 439070116 = 29854^2 + 20954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1330331398 and 1330331407.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1362557 + ... + 1363532.

Almost surely, 2^1330331432 is an apocalyptic number.

It is an amenable number.

1330331432 is a deficient number, since it is larger than the sum of its proper divisors (1204932268).

1330331432 is a wasteful number, since it uses less digits than its factorization.

1330331432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726156 (or 2726152 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1330331432 is about 36473.7087776936. The cubic root of 1330331432 is about 1099.8157906411.

Adding to 1330331432 its reverse (2341330331), we get a palindrome (3671661763).

The spelling of 1330331432 in words is "one billion, three hundred thirty million, three hundred thirty-one thousand, four hundred thirty-two".