1312433345 has 8 divisors (see below), whose sum is σ = 1578156864. Its totient is φ = 1047788784.

The previous prime is 1312433333. The next prime is 1312433363. The reversal of 1312433345 is 5433342131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312433345 - 2²² = 1308239041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267059 + ... + 271928.

It is an arithmetic number, because the mean of its divisors is an integer number (197269608).

Almost surely, 2^1312433345 is an apocalyptic number.

It is an amenable number.

1312433345 is a deficient number, since it is larger than the sum of its proper divisors (265723519).

1312433345 is an equidigital number, since it uses as much as digits as its factorization.

1312433345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539479.

The product of its digits is 12960, while the sum is 29.

The square root of 1312433345 is about 36227.5219273966. The cubic root of 1312433345 is about 1094.8612502551.

Adding to 1312433345 its reverse (5433342131), we get a palindrome (6745775476).

The spelling of 1312433345 in words is "one billion, three hundred twelve million, four hundred thirty-three thousand, three hundred forty-five".