1304312355 has 32 divisors (see below), whose sum is σ = 2344852800. Its totient is φ = 687810816.

The previous prime is 1304312353. The next prime is 1304312363. The reversal of 1304312355 is 5532134031.

1304312355 is a `hidden beast` number, since 1 + 304 + 3 + 1 + 2 + 355 = 666.

It is not a de Polignac number, because 1304312355 - 2¹ = 1304312353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1304312353) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42264 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (73276650).

Almost surely, 2^1304312355 is an apocalyptic number.

1304312355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1304312355 is a deficient number, since it is larger than the sum of its proper divisors (1040540445).

1304312355 is a wasteful number, since it uses less digits than its factorization.

1304312355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108660 (or 108654 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1304312355 is about 36115.2648474298. The cubic root of 1304312355 is about 1092.5983392219.

Adding to 1304312355 its reverse (5532134031), we get a palindrome (6836446386).

The spelling of 1304312355 in words is "one billion, three hundred four million, three hundred twelve thousand, three hundred fifty-five".