1331453132 has 48 divisors (see below), whose sum is σ = 2413871712. Its totient is φ = 642355200.

The previous prime is 1331453129. The next prime is 1331453159. The reversal of 1331453132 is 2313541331.

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 15 ways as a sum of consecutive naturals, for example, 3320132 + ... + 3320532.

It is an arithmetic number, because the mean of its divisors is an integer number (50288994).

Almost surely, 2^1331453132 is an apocalyptic number.

It is an amenable number.

1331453132 is a deficient number, since it is larger than the sum of its proper divisors (1082418580).

1331453132 is a wasteful number, since it uses less digits than its factorization.

1331453132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 696 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 1331453132 is about 36489.0823671958. The cubic root of 1331453132 is about 1100.1248155889.

Adding to 1331453132 its reverse (2313541331), we get a palindrome (3644994463).

The spelling of 1331453132 in words is "one billion, three hundred thirty-one million, four hundred fifty-three thousand, one hundred thirty-two".