1312304434 has 8 divisors (see below), whose sum is σ = 2249664768. Its totient is φ = 562416180.

The previous prime is 1312304417. The next prime is 1312304447. The reversal of 1312304434 is 4344032131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1312304399 and 1312304408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46868002 + ... + 46868029.

It is an arithmetic number, because the mean of its divisors is an integer number (281208096).

Almost surely, 2^1312304434 is an apocalyptic number.

1312304434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312304434 is a deficient number, since it is larger than the sum of its proper divisors (937360334).

1312304434 is an equidigital number, since it uses as much as digits as its factorization.

1312304434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93736040.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1312304434 is about 36225.7426977005. The cubic root of 1312304434 is about 1094.8254022683.

Adding to 1312304434 its reverse (4344032131), we get a palindrome (5656336565).

The spelling of 1312304434 in words is "one billion, three hundred twelve million, three hundred four thousand, four hundred thirty-four".