1304351434505 has 32 divisors (see below), whose sum is σ = 1868127473664. Its totient is φ = 854824741056.

The previous prime is 1304351434499. The next prime is 1304351434549. The reversal of 1304351434505 is 5054341534031.

It is a cyclic number.

It is not a de Polignac number, because 1304351434505 - 2⁸ = 1304351434249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322082 + ... + 1646948.

It is an arithmetic number, because the mean of its divisors is an integer number (58378983552).

Almost surely, 2^{1304351434505} is an apocalyptic number.

It is an amenable number.

1304351434505 is a deficient number, since it is larger than the sum of its proper divisors (563776039159).

1304351434505 is a wasteful number, since it uses less digits than its factorization.

1304351434505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326125.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 1304351434505 its reverse (5054341534031), we get a palindrome (6358692968536).

The spelling of 1304351434505 in words is "one trillion, three hundred four billion, three hundred fifty-one million, four hundred thirty-four thousand, five hundred five".