1341244321 has 4 divisors (see below), whose sum is σ = 1341437632. Its totient is φ = 1341051012.

The previous prime is 1341244319. The next prime is 1341244361. The reversal of 1341244321 is 1234421431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1341244321 - 2¹ = 1341244319 is a prime.

It is a super-2 number, since 2×1341244321² = 3597872657229502082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341244361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85845 + ... + 100258.

It is an arithmetic number, because the mean of its divisors is an integer number (335359408).

Almost surely, 2^1341244321 is an apocalyptic number.

It is an amenable number.

1341244321 is a deficient number, since it is larger than the sum of its proper divisors (193311).

1341244321 is an equidigital number, since it uses as much as digits as its factorization.

1341244321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193310.

The product of its digits is 2304, while the sum is 25.

The square root of 1341244321 is about 36623.0026213035. The cubic root of 1341244321 is about 1102.8149174344.

Adding to 1341244321 its reverse (1234421431), we get a palindrome (2575665752).

The spelling of 1341244321 in words is "one billion, three hundred forty-one million, two hundred forty-four thousand, three hundred twenty-one".