1304012330 has 16 divisors (see below), whose sum is σ = 2347850664. Its totient is φ = 521465280.

The previous prime is 1304012323. The next prime is 1304012363. The reversal of 1304012330 is 332104031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1163423881 + 140588449 = 34109^2 + 11857^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304012299 and 1304012308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27200 + ... + 57860.

Almost surely, 2^1304012330 is an apocalyptic number.

1304012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304012330 is a deficient number, since it is larger than the sum of its proper divisors (1043838334).

1304012330 is a wasteful number, since it uses less digits than its factorization.

1304012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1304012330 is about 36111.1108940171. The cubic root of 1304012330 is about 1092.5145576662.

Adding to 1304012330 its reverse (332104031), we get a palindrome (1636116361).

The spelling of 1304012330 in words is "one billion, three hundred four million, twelve thousand, three hundred thirty".