1344021113 has 4 divisors (see below), whose sum is σ = 1366054308. Its totient is φ = 1321987920.

The previous prime is 1344021103. The next prime is 1344021127. The reversal of 1344021113 is 3111204431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316946809 + 1027074304 = 17803^2 + 32048^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344021113 - 2⁴ = 1344021097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344021103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11016506 + ... + 11016627.

It is an arithmetic number, because the mean of its divisors is an integer number (341513577).

Almost surely, 2^1344021113 is an apocalyptic number.

It is an amenable number.

1344021113 is a deficient number, since it is larger than the sum of its proper divisors (22033195).

1344021113 is an equidigital number, since it uses as much as digits as its factorization.

1344021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22033194.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1344021113 is about 36660.8935106606. The cubic root of 1344021113 is about 1103.5754492093.

Adding to 1344021113 its reverse (3111204431), we get a palindrome (4455225544).

The spelling of 1344021113 in words is "one billion, three hundred forty-four million, twenty-one thousand, one hundred thirteen".