1344321100 has 72 divisors (see below), whose sum is σ = 3060741600. Its totient is φ = 511795200.

The previous prime is 1344321073. The next prime is 1344321137. The reversal of 1344321100 is 11234431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202636 + ... + 209164.

It is an arithmetic number, because the mean of its divisors is an integer number (42510300).

Almost surely, 2^1344321100 is an apocalyptic number.

1344321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530370800).

1344321100 is an abundant number, since it is smaller than the sum of its proper divisors (1716420500).

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

1344321100 is a wasteful number, since it uses less digits than its factorization.

1344321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1344321100 is about 36664.9846583904. The cubic root of 1344321100 is about 1103.6575495219.

Adding to 1344321100 its reverse (11234431), we get a palindrome (1355555531).

It can be divided in two parts, 13443 and 21100, that added together give a palindrome (34543).

The spelling of 1344321100 in words is "one billion, three hundred forty-four million, three hundred twenty-one thousand, one hundred".