1331473376 has 12 divisors (see below), whose sum is σ = 2621338272. Its totient is φ = 665736672.

The previous prime is 1331473357. The next prime is 1331473397. The reversal of 1331473376 is 6733741331.

It is a happy number.

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 as a sum of consecutive naturals, namely, 20804240 + ... + 20804303.

It is an arithmetic number, because the mean of its divisors is an integer number (218444856).

Almost surely, 2^1331473376 is an apocalyptic number.

1331473376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1331473376 is a deficient number, since it is larger than the sum of its proper divisors (1289864896).

1331473376 is an equidigital number, since it uses as much as digits as its factorization.

1331473376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41608553 (or 41608545 counting only the distinct ones).

The product of its digits is 95256, while the sum is 38.

The square root of 1331473376 is about 36489.3597641833. The cubic root of 1331473376 is about 1100.1303911547.

The spelling of 1331473376 in words is "one billion, three hundred thirty-one million, four hundred seventy-three thousand, three hundred seventy-six".