1313430422 has 4 divisors (see below), whose sum is σ = 1970145636. Its totient is φ = 656715210.

The previous prime is 1313430397. The next prime is 1313430431. The reversal of 1313430422 is 2240343131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328357604 + ... + 328357607.

It is an arithmetic number, because the mean of its divisors is an integer number (492536409).

Almost surely, 2^1313430422 is an apocalyptic number.

1313430422 is a deficient number, since it is larger than the sum of its proper divisors (656715214).

1313430422 is an equidigital number, since it uses as much as digits as its factorization.

1313430422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656715213.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1313430422 is about 36241.2806341056. The cubic root of 1313430422 is about 1095.1384413828.

Adding to 1313430422 its reverse (2240343131), we get a palindrome (3553773553).

The spelling of 1313430422 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, four hundred twenty-two".