1313215504 has 10 divisors (see below), whose sum is σ = 2544355070. Its totient is φ = 656607744.

The previous prime is 1313215483. The next prime is 1313215529. The reversal of 1313215504 is 4055123131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1311888400 + 1327104 = 36220^2 + 1152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41037969 + ... + 41038000.

It is an arithmetic number, because the mean of its divisors is an integer number (254435507).

Almost surely, 2^1313215504 is an apocalyptic number.

It is an amenable number.

1313215504 is a deficient number, since it is larger than the sum of its proper divisors (1231139566).

1313215504 is an equidigital number, since it uses as much as digits as its factorization.

1313215504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82075977 (or 82075971 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1313215504 is about 36238.3154133853. The cubic root of 1313215504 is about 1095.0787052398.

Adding to 1313215504 its reverse (4055123131), we get a palindrome (5368338635).

The spelling of 1313215504 in words is "one billion, three hundred thirteen million, two hundred fifteen thousand, five hundred four".