1313223232 has 28 divisors (see below), whose sum is σ = 2607868800. Its totient is φ = 656122496.

The previous prime is 1313223221. The next prime is 1313223281. The reversal of 1313223232 is 2323223131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88269 + ... + 102067.

Almost surely, 2^1313223232 is an apocalyptic number.

It is an amenable number.

1313223232 is a deficient number, since it is larger than the sum of its proper divisors (1294645568).

1313223232 is a wasteful number, since it uses less digits than its factorization.

1313223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15298 (or 15288 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1313223232 is about 36238.4220407015. The cubic root of 1313223232 is about 1095.0808533391.

Adding to 1313223232 its reverse (2323223131), we get a palindrome (3636446363).

The spelling of 1313223232 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, two hundred thirty-two".