1304331332 has 6 divisors (see below), whose sum is σ = 2282579838. Its totient is φ = 652165664.

The previous prime is 1304331269. The next prime is 1304331359. The reversal of 1304331332 is 2331334031.

It can be written as a sum of positive squares in only one way, i.e., 1294992196 + 9339136 = 35986^2 + 3056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304331298 and 1304331307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163041413 + ... + 163041420.

It is an arithmetic number, because the mean of its divisors is an integer number (380429973).

Almost surely, 2^1304331332 is an apocalyptic number.

It is an amenable number.

1304331332 is a deficient number, since it is larger than the sum of its proper divisors (978248506).

1304331332 is a wasteful number, since it uses less digits than its factorization.

1304331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326082837 (or 326082835 counting only the distinct ones).

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

The square root of 1304331332 is about 36115.5275747150. The cubic root of 1304331332 is about 1092.6036380902.

Adding to 1304331332 its reverse (2331334031), we get a palindrome (3635665363).

The spelling of 1304331332 in words is "one billion, three hundred four million, three hundred thirty-one thousand, three hundred thirty-two".