1324431104 has 72 divisors (see below), whose sum is σ = 2889790848. Its totient is φ = 603095040.

The previous prime is 1324431071. The next prime is 1324431107. The reversal of 1324431104 is 4011344231.

It is a self number, because there is not a number n which added to its sum of digits gives 1324431104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324431107) 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, 130004 + ... + 139820.

It is an arithmetic number, because the mean of its divisors is an integer number (40135984).

Almost surely, 2^1324431104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324431104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444895424).

1324431104 is an abundant number, since it is smaller than the sum of its proper divisors (1565359744).

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

1324431104 is an equidigital number, since it uses as much as digits as its factorization.

1324431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9867 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1324431104 is about 36392.7342198961. The cubic root of 1324431104 is about 1098.1874015874.

Adding to 1324431104 its reverse (4011344231), we get a palindrome (5335775335).

The spelling of 1324431104 in words is "one billion, three hundred twenty-four million, four hundred thirty-one thousand, one hundred four".