1331131202 has 8 divisors (see below), whose sum is σ = 2024049036. Its totient is φ = 656448192.

The previous prime is 1331131189. The next prime is 1331131213. The reversal of 1331131202 is 2021311331.

It can be written as a sum of positive squares in 2 ways, for example, as 1279564441 + 51566761 = 35771^2 + 7181^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 4558523 + ... + 4558814.

Almost surely, 2^1331131202 is an apocalyptic number.

1331131202 is a deficient number, since it is larger than the sum of its proper divisors (692917834).

1331131202 is an equidigital number, since it uses as much as digits as its factorization.

1331131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117412.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331131202 is about 36484.6707810280. The cubic root of 1331131202 is about 1100.0361426141.

Adding to 1331131202 its reverse (2021311331), we get a palindrome (3352442533).

The spelling of 1331131202 in words is "one billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred two".