1313800733 has 16 divisors (see below), whose sum is σ = 1649233920. Its totient is φ = 1020458736.

The previous prime is 1313800693. The next prime is 1313800757. The reversal of 1313800733 is 3370083131.

It is a cyclic number.

It is not a de Polignac number, because 1313800733 - 2¹⁴ = 1313784349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313800696 and 1313800705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313800793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211685 + ... + 217802.

It is an arithmetic number, because the mean of its divisors is an integer number (103077120).

Almost surely, 2^1313800733 is an apocalyptic number.

It is an amenable number.

1313800733 is a deficient number, since it is larger than the sum of its proper divisors (335433187).

1313800733 is a wasteful number, since it uses less digits than its factorization.

1313800733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429536.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1313800733 is about 36246.3892408609. The cubic root of 1313800733 is about 1095.2413534969.

Adding to 1313800733 its reverse (3370083131), we get a palindrome (4683883864).

The spelling of 1313800733 in words is "one billion, three hundred thirteen million, eight hundred thousand, seven hundred thirty-three".