1321344411 has 16 divisors (see below), whose sum is σ = 1839264000. Its totient is φ = 842196960.

The previous prime is 1321344373. The next prime is 1321344419. The reversal of 1321344411 is 1144431231.

1321344411 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1321344411 - 2⁹ = 1321343899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321344419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226965 + ... + 232713.

It is an arithmetic number, because the mean of its divisors is an integer number (114954000).

Almost surely, 2^1321344411 is an apocalyptic number.

1321344411 is a deficient number, since it is larger than the sum of its proper divisors (517919589).

1321344411 is a wasteful number, since it uses less digits than its factorization.

1321344411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106.

The product of its digits is 1152, while the sum is 24.

The square root of 1321344411 is about 36350.3013880215. The cubic root of 1321344411 is about 1097.3335999955. Note that the first 3 decimals are identical.

Adding to 1321344411 its reverse (1144431231), we get a palindrome (2465775642).

The spelling of 1321344411 in words is "one billion, three hundred twenty-one million, three hundred forty-four thousand, four hundred eleven".