1312320422 has 8 divisors (see below), whose sum is σ = 2249692176. Its totient is φ = 562423032.

The previous prime is 1312320419. The next prime is 1312320431. The reversal of 1312320422 is 2240232131.

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 = 1312320394 and 1312320403.

It is a congruent number.

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, 46868573 + ... + 46868600.

It is an arithmetic number, because the mean of its divisors is an integer number (281211522).

Almost surely, 2^1312320422 is an apocalyptic number.

1312320422 is a deficient number, since it is larger than the sum of its proper divisors (937371754).

1312320422 is an equidigital number, since it uses as much as digits as its factorization.

1312320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93737182.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1312320422 is about 36225.9633688326. The cubic root of 1312320422 is about 1094.8298483904.

Adding to 1312320422 its reverse (2240232131), we get a palindrome (3552552553).

The spelling of 1312320422 in words is "one billion, three hundred twelve million, three hundred twenty thousand, four hundred twenty-two".