1313611036 has 12 divisors (see below), whose sum is σ = 2299434480. Its totient is φ = 656629760.

The previous prime is 1313611031. The next prime is 1313611049. The reversal of 1313611036 is 6301163131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313611036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313611031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26341 + ... + 57628.

It is an arithmetic number, because the mean of its divisors is an integer number (191619540).

Almost surely, 2^1313611036 is an apocalyptic number.

It is an amenable number.

1313611036 is a deficient number, since it is larger than the sum of its proper divisors (985823444).

1313611036 is a wasteful number, since it uses less digits than its factorization.

1313611036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87884 (or 87882 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1313611036 is about 36243.7723754026. The cubic root of 1313611036 is about 1095.1886377402.

Adding to 1313611036 its reverse (6301163131), we get a palindrome (7614774167).

The spelling of 1313611036 in words is "one billion, three hundred thirteen million, six hundred eleven thousand, thirty-six".