1313144336 has 60 divisors (see below), whose sum is σ = 3088320192. Its totient is φ = 538300224.

The previous prime is 1313144333. The next prime is 1313144341. The reversal of 1313144336 is 6334413131.

It is a junction number, because it is equal to n+sod(n) for n = 1313144299 and 1313144308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313144333) 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, 18380 + ... + 54443.

Almost surely, 2^1313144336 is an apocalyptic number.

1313144336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1313144336 is an abundant number, since it is smaller than the sum of its proper divisors (1775175856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313144336 is a wasteful number, since it uses less digits than its factorization.

1313144336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72868 (or 72855 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 1313144336 is about 36237.3334559816. Note that the first 3 decimals coincide. The cubic root of 1313144336 is about 1095.0589227621.

Adding to 1313144336 its reverse (6334413131), we get a palindrome (7647557467).

The spelling of 1313144336 in words is "one billion, three hundred thirteen million, one hundred forty-four thousand, three hundred thirty-six".