1315433118 has 16 divisors (see below), whose sum is σ = 2769333120. Its totient is φ = 415399896.

The previous prime is 1315433111. The next prime is 1315433131. The reversal of 1315433118 is 8113345131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315433111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769330 + ... + 5769557.

It is an arithmetic number, because the mean of its divisors is an integer number (173083320).

Almost surely, 2^1315433118 is an apocalyptic number.

1315433118 is an abundant number, since it is smaller than the sum of its proper divisors (1453900002).

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

1315433118 is a wasteful number, since it uses less digits than its factorization.

1315433118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538911.

The product of its digits is 4320, while the sum is 30.

The square root of 1315433118 is about 36268.9001487500. The cubic root of 1315433118 is about 1095.6947747700.

Adding to 1315433118 its reverse (8113345131), we get a palindrome (9428778249).

The spelling of 1315433118 in words is "one billion, three hundred fifteen million, four hundred thirty-three thousand, one hundred eighteen".