1331414244 has 72 divisors (see below), whose sum is σ = 3497403000. Its totient is φ = 426553344.

The previous prime is 1331414213. The next prime is 1331414267. The reversal of 1331414244 is 4424141331.

1331414244 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 414 + 244 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 297148644 + 1034265600 = 17238^2 + 32160^2 .

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 236292 + ... + 241860.

Almost surely, 2^1331414244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331414244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748701500).

1331414244 is an abundant number, since it is smaller than the sum of its proper divisors (2165988756).

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

1331414244 is a wasteful number, since it uses less digits than its factorization.

1331414244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837 (or 5832 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1331414244 is about 36488.5494915871. The cubic root of 1331414244 is about 1100.1141049677.

Adding to 1331414244 its reverse (4424141331), we get a palindrome (5755555575).

The spelling of 1331414244 in words is "one billion, three hundred thirty-one million, four hundred fourteen thousand, two hundred forty-four".