1313230332 has 12 divisors (see below), whose sum is σ = 3064204136. Its totient is φ = 437743440.

The previous prime is 1313230309. The next prime is 1313230393. The reversal of 1313230332 is 2330323131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1313230299 and 1313230308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54717919 + ... + 54717942.

Almost surely, 2^1313230332 is an apocalyptic number.

1313230332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313230332 is an abundant number, since it is smaller than the sum of its proper divisors (1750973804).

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

1313230332 is a wasteful number, since it uses less digits than its factorization.

1313230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109435868 (or 109435866 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1313230332 is about 36238.5200028920. The cubic root of 1313230332 is about 1095.0828268700.

Adding to 1313230332 its reverse (2330323131), we get a palindrome (3643553463).

The spelling of 1313230332 in words is "one billion, three hundred thirteen million, two hundred thirty thousand, three hundred thirty-two".