1331421113 has 8 divisors (see below), whose sum is σ = 1537898400. Its totient is φ = 1139183680.

The previous prime is 1331421107. The next prime is 1331421131. The reversal of 1331421113 is 3111241331.

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 1331421113 - 2²² = 1327226809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331421163) 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, 3559763 + ... + 3560136.

It is an arithmetic number, because the mean of its divisors is an integer number (192237300).

Almost surely, 2^1331421113 is an apocalyptic number.

It is an amenable number.

1331421113 is a deficient number, since it is larger than the sum of its proper divisors (206477287).

1331421113 is a wasteful number, since it uses less digits than its factorization.

1331421113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119927.

The product of its digits is 216, while the sum is 20.

The square root of 1331421113 is about 36488.6436168844. The cubic root of 1331421113 is about 1100.1159968584.

Adding to 1331421113 its reverse (3111241331), we get a palindrome (4442662444).

The spelling of 1331421113 in words is "one billion, three hundred thirty-one million, four hundred twenty-one thousand, one hundred thirteen".