1331312214 has 8 divisors (see below), whose sum is σ = 2662624440. Its totient is φ = 443770736.

The previous prime is 1331312201. The next prime is 1331312221. The reversal of 1331312214 is 4122131331.

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

1331312214 is an admirable number.

It is a super-2 number, since 2×1331312214² = 3544784422291163592, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 110942679 + ... + 110942690.

It is an arithmetic number, because the mean of its divisors is an integer number (332828055).

Almost surely, 2^1331312214 is an apocalyptic number.

1331312214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331312214 is a wasteful number, since it uses less digits than its factorization.

1331312214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221885374.

The product of its digits is 432, while the sum is 21.

The square root of 1331312214 is about 36487.1513549633. The cubic root of 1331312214 is about 1100.0860026422.

Adding to 1331312214 its reverse (4122131331), we get a palindrome (5453443545).

The spelling of 1331312214 in words is "one billion, three hundred thirty-one million, three hundred twelve thousand, two hundred fourteen".