1331556332 has 12 divisors (see below), whose sum is σ = 2338824096. Its totient is φ = 663320880.

The previous prime is 1331556329. The next prime is 1331556337. The reversal of 1331556332 is 2336551331.

It is not an unprimeable number, because it can be changed into a prime (1331556337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613103 + ... + 615270.

It is an arithmetic number, because the mean of its divisors is an integer number (194902008).

Almost surely, 2^1331556332 is an apocalyptic number.

It is an amenable number.

1331556332 is a deficient number, since it is larger than the sum of its proper divisors (1007267764).

1331556332 is a wasteful number, since it uses less digits than its factorization.

1331556332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228648 (or 1228646 counting only the distinct ones).

The product of its digits is 24300, while the sum is 32.

The square root of 1331556332 is about 36490.4964614076. The cubic root of 1331556332 is about 1100.1532381559.

The spelling of 1331556332 in words is "one billion, three hundred thirty-one million, five hundred fifty-six thousand, three hundred thirty-two".