1313424243 has 12 divisors (see below), whose sum is σ = 1923889968. Its totient is φ = 863283120.

The previous prime is 1313424241. The next prime is 1313424247. The reversal of 1313424243 is 3424243131.

It is not a de Polignac number, because 1313424243 - 2¹ = 1313424241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313424241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027080 + ... + 1028357.

It is an arithmetic number, because the mean of its divisors is an integer number (160324164).

Almost surely, 2^1313424243 is an apocalyptic number.

1313424243 is a deficient number, since it is larger than the sum of its proper divisors (610465725).

1313424243 is a wasteful number, since it uses less digits than its factorization.

1313424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055514 (or 2055511 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1313424243 is about 36241.1953859141. The cubic root of 1313424243 is about 1095.1367240298.

Adding to 1313424243 its reverse (3424243131), we get a palindrome (4737667374).

The spelling of 1313424243 in words is "one billion, three hundred thirteen million, four hundred twenty-four thousand, two hundred forty-three".