1331158328 has 16 divisors (see below), whose sum is σ = 2497447680. Its totient is φ = 665172288.

The previous prime is 1331158313. The next prime is 1331158337. The reversal of 1331158328 is 8238511331.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 36725 + ... + 63332.

It is an arithmetic number, because the mean of its divisors is an integer number (156090480).

Almost surely, 2^1331158328 is an apocalyptic number.

It is an amenable number.

1331158328 is a deficient number, since it is larger than the sum of its proper divisors (1166289352).

1331158328 is a wasteful number, since it uses less digits than its factorization.

1331158328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101726 (or 101722 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1331158328 is about 36485.0425243003. The cubic root of 1331158328 is about 1100.0436147996.

Adding to 1331158328 its reverse (8238511331), we get a palindrome (9569669659).

The spelling of 1331158328 in words is "one billion, three hundred thirty-one million, one hundred fifty-eight thousand, three hundred twenty-eight".