1312324424 has 8 divisors (see below), whose sum is σ = 2460608310. Its totient is φ = 656162208.

The previous prime is 1312324393. The next prime is 1312324427. The reversal of 1312324424 is 4244232131.

It can be written as a sum of positive squares in only one way, i.e., 1056900100 + 255424324 = 32510^2 + 15982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1312324393 and 1312324402.

It is not an unprimeable number, because it can be changed into a prime (1312324427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82020269 + ... + 82020284.

Almost surely, 2^1312324424 is an apocalyptic number.

It is an amenable number.

1312324424 is a deficient number, since it is larger than the sum of its proper divisors (1148283886).

1312324424 is a wasteful number, since it uses less digits than its factorization.

1312324424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164040559 (or 164040555 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1312324424 is about 36226.0186054167. The cubic root of 1312324424 is about 1094.8309613058.

Adding to 1312324424 its reverse (4244232131), we get a palindrome (5556556555).

The spelling of 1312324424 in words is "one billion, three hundred twelve million, three hundred twenty-four thousand, four hundred twenty-four".