1331285195 has 8 divisors (see below), whose sum is σ = 1667000736. Its totient is φ = 1018722496.

The previous prime is 1331285191. The next prime is 1331285201. The reversal of 1331285195 is 5915821331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331285195 - 2² = 1331285191 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788082 + ... + 5788311.

It is an arithmetic number, because the mean of its divisors is an integer number (208375092).

Almost surely, 2^1331285195 is an apocalyptic number.

1331285195 is a deficient number, since it is larger than the sum of its proper divisors (335715541).

1331285195 is a wasteful number, since it uses less digits than its factorization.

1331285195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576421.

The product of its digits is 32400, while the sum is 38.

The square root of 1331285195 is about 36486.7810994612. The cubic root of 1331285195 is about 1100.0785605049.

The spelling of 1331285195 in words is "one billion, three hundred thirty-one million, two hundred eighty-five thousand, one hundred ninety-five".