1331285199 has 8 divisors (see below), whose sum is σ = 1812814080. Its totient is φ = 868639896.

The previous prime is 1331285191. The next prime is 1331285201. The reversal of 1331285199 is 9915821331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331285199 - 2³ = 1331285191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331285199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331285191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4720729 + ... + 4721010.

It is an arithmetic number, because the mean of its divisors is an integer number (226601760).

Almost surely, 2^1331285199 is an apocalyptic number.

1331285199 is a deficient number, since it is larger than the sum of its proper divisors (481528881).

1331285199 is an equidigital number, since it uses as much as digits as its factorization.

1331285199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441789.

The product of its digits is 58320, while the sum is 42.

The square root of 1331285199 is about 36486.7811542756. The cubic root of 1331285199 is about 1100.0785616067.

The spelling of 1331285199 in words is "one billion, three hundred thirty-one million, two hundred eighty-five thousand, one hundred ninety-nine".