1324231380 has 72 divisors (see below), whose sum is σ = 4023847464. Its totient is φ = 352512000.

The previous prime is 1324231357. The next prime is 1324231387. The reversal of 1324231380 is 831324231.

1324231380 is a `hidden beast` number, since 13 + 242 + 31 + 380 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 183548304 + 1140683076 = 13548^2 + 33774^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324231387) 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 23 ways as a sum of consecutive naturals, for example, 102060 + ... + 114300.

Almost surely, 2^1324231380 is an apocalyptic number.

1324231380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324231380 is an abundant number, since it is smaller than the sum of its proper divisors (2699616084).

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

1324231380 is a wasteful number, since it uses less digits than its factorization.

1324231380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12857 (or 12852 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1324231380 is about 36389.9901071710. The cubic root of 1324231380 is about 1098.1321966505.

The spelling of 1324231380 in words is "one billion, three hundred twenty-four million, two hundred thirty-one thousand, three hundred eighty".