1313233552 has 30 divisors (see below), whose sum is σ = 2562273938. Its totient is φ = 652033536.

The previous prime is 1313233547. The next prime is 1313233589. The reversal of 1313233552 is 2553323131.

It can be written as a sum of positive squares in 3 ways, for example, as 103306896 + 1209926656 = 10164^2 + 34784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1313233552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353368 + ... + 357064.

Almost surely, 2^1313233552 is an apocalyptic number.

It is an amenable number.

1313233552 is a deficient number, since it is larger than the sum of its proper divisors (1249040386).

1313233552 is an equidigital number, since it uses as much as digits as its factorization.

1313233552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003 (or 3848 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 1313233552 is about 36238.5644307277. The cubic root of 1313233552 is about 1095.0837219056.

Adding to 1313233552 its reverse (2553323131), we get a palindrome (3866556683).

The spelling of 1313233552 in words is "one billion, three hundred thirteen million, two hundred thirty-three thousand, five hundred fifty-two".