1316281332 has 12 divisors (see below), whose sum is σ = 3071323136. Its totient is φ = 438760440.

The previous prime is 1316281303. The next prime is 1316281381. The reversal of 1316281332 is 2331826131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1316281332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54845044 + ... + 54845067.

Almost surely, 2^1316281332 is an apocalyptic number.

1316281332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1316281332 is an abundant number, since it is smaller than the sum of its proper divisors (1755041804).

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

1316281332 is a wasteful number, since it uses less digits than its factorization.

1316281332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109690118 (or 109690116 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1316281332 is about 36280.5916710298. The cubic root of 1316281332 is about 1095.9302318083.

The spelling of 1316281332 in words is "one billion, three hundred sixteen million, two hundred eighty-one thousand, three hundred thirty-two".