1331412229 has 8 divisors (see below), whose sum is σ = 1558726848. Its totient is φ = 1113375840.

The previous prime is 1331412223. The next prime is 1331412241. The reversal of 1331412229 is 9222141331.

It is a happy number.

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 1331412229 - 2¹¹ = 1331410181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331412197 and 1331412206.

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 7 ways as a sum of consecutive naturals, for example, 2319247 + ... + 2319820.

It is an arithmetic number, because the mean of its divisors is an integer number (194840856).

Almost surely, 2^1331412229 is an apocalyptic number.

It is an amenable number.

1331412229 is a deficient number, since it is larger than the sum of its proper divisors (227314619).

1331412229 is an equidigital number, since it uses as much as digits as its factorization.

1331412229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639115.

The product of its digits is 2592, while the sum is 28.

The square root of 1331412229 is about 36488.5218801749. The cubic root of 1331412229 is about 1100.1135499861.

The spelling of 1331412229 in words is "one billion, three hundred thirty-one million, four hundred twelve thousand, two hundred twenty-nine".