1313321434 has 16 divisors (see below), whose sum is σ = 2157791400. Its totient is φ = 596721664.

The previous prime is 1313321419. The next prime is 1313321441. The reversal of 1313321434 is 4341233131.

It can be written as a sum of positive squares in 4 ways, for example, as 1271136409 + 42185025 = 35653^2 + 6495^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313321399 and 1313321408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664999 + ... + 666970.

Almost surely, 2^1313321434 is an apocalyptic number.

1313321434 is a deficient number, since it is larger than the sum of its proper divisors (844469966).

1313321434 is a wasteful number, since it uses less digits than its factorization.

1313321434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332017.

The product of its digits is 2592, while the sum is 25.

The square root of 1313321434 is about 36239.7769584748. The cubic root of 1313321434 is about 1095.1081491425.

Adding to 1313321434 its reverse (4341233131), we get a palindrome (5654554565).

The spelling of 1313321434 in words is "one billion, three hundred thirteen million, three hundred twenty-one thousand, four hundred thirty-four".