1311230332 has 24 divisors (see below), whose sum is σ = 2435484240. Its totient is φ = 615563520.

The previous prime is 1311230329. The next prime is 1311230357. The reversal of 1311230332 is 2330321131.

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 7 ways as a sum of consecutive naturals, for example, 5482 + ... + 51502.

It is an arithmetic number, because the mean of its divisors is an integer number (101478510).

Almost surely, 2^1311230332 is an apocalyptic number.

It is an amenable number.

1311230332 is a deficient number, since it is larger than the sum of its proper divisors (1124253908).

1311230332 is a wasteful number, since it uses less digits than its factorization.

1311230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46461 (or 46459 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1311230332 is about 36210.9145424415. The cubic root of 1311230332 is about 1094.5266212071.

Adding to 1311230332 its reverse (2330321131), we get a palindrome (3641551463).

The spelling of 1311230332 in words is "one billion, three hundred eleven million, two hundred thirty thousand, three hundred thirty-two".