1331412213 has 16 divisors (see below), whose sum is σ = 1891169280. Its totient is φ = 830757744.

The previous prime is 1331412191. The next prime is 1331412223. The reversal of 1331412213 is 3122141331.

It is not a de Polignac number, because 1331412213 - 2¹⁸ = 1331150069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331412213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331412223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135981 + ... + 145442.

It is an arithmetic number, because the mean of its divisors is an integer number (118198080).

Almost surely, 2^1331412213 is an apocalyptic number.

It is an amenable number.

1331412213 is a deficient number, since it is larger than the sum of its proper divisors (559757067).

1331412213 is a wasteful number, since it uses less digits than its factorization.

1331412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281528.

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

The square root of 1331412213 is about 36488.5216609278. The cubic root of 1331412213 is about 1100.1135455793.

Adding to 1331412213 its reverse (3122141331), we get a palindrome (4453553544).

The spelling of 1331412213 in words is "one billion, three hundred thirty-one million, four hundred twelve thousand, two hundred thirteen".