1313201552 has 20 divisors (see below), whose sum is σ = 2740045980. Its totient is φ = 606092928.

The previous prime is 1313201503. The next prime is 1313201557. The reversal of 1313201552 is 2551023131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 290225296 + 1022976256 = 17036^2 + 31984^2 .

It is not an unprimeable number, because it can be changed into a prime (1313201557) 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, 3156527 + ... + 3156942.

It is an arithmetic number, because the mean of its divisors is an integer number (137002299).

Almost surely, 2^1313201552 is an apocalyptic number.

It is an amenable number.

1313201552 is an abundant number, since it is smaller than the sum of its proper divisors (1426844428).

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

1313201552 is a wasteful number, since it uses less digits than its factorization.

1313201552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313490 (or 6313484 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1313201552 is about 36238.1229094444. The cubic root of 1313201552 is about 1095.0748270766.

Adding to 1313201552 its reverse (2551023131), we get a palindrome (3864224683).

The spelling of 1313201552 in words is "one billion, three hundred thirteen million, two hundred one thousand, five hundred fifty-two".