1312343234 has 8 divisors (see below), whose sum is σ = 1968768588. Its totient is φ = 656087040.

The previous prime is 1312343233. The next prime is 1312343257. The reversal of 1312343234 is 4323432131.

It can be written as a sum of positive squares in 2 ways, for example, as 1256915209 + 55428025 = 35453^2 + 7445^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1312343233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20687 + ... + 55250.

Almost surely, 2^1312343234 is an apocalyptic number.

1312343234 is a deficient number, since it is larger than the sum of its proper divisors (656425354).

1312343234 is an equidigital number, since it uses as much as digits as its factorization.

1312343234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84580.

The product of its digits is 5184, while the sum is 26.

The square root of 1312343234 is about 36226.2782245154. The cubic root of 1312343234 is about 1094.8361921444.

Adding to 1312343234 its reverse (4323432131), we get a palindrome (5635775365).

The spelling of 1312343234 in words is "one billion, three hundred twelve million, three hundred forty-three thousand, two hundred thirty-four".