1324311231 has 8 divisors (see below), whose sum is σ = 1787022720. Its totient is φ = 872236952.

The previous prime is 1324311217. The next prime is 1324311251. The reversal of 1324311231 is 1321134231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1324311231 - 2⁵ = 1324311199 is a prime.

It is a super-2 number, since 2×1324311231² = 3507600473105470722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1324311198 and 1324311207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324311251) 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, 2659011 + ... + 2659508.

It is an arithmetic number, because the mean of its divisors is an integer number (223377840).

Almost surely, 2^1324311231 is an apocalyptic number.

1324311231 is a deficient number, since it is larger than the sum of its proper divisors (462711489).

1324311231 is an equidigital number, since it uses as much as digits as its factorization.

1324311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318605.

The product of its digits is 432, while the sum is 21.

The square root of 1324311231 is about 36391.0872467422. The cubic root of 1324311231 is about 1098.1542686219.

Adding to 1324311231 its reverse (1321134231), we get a palindrome (2645445462).

The spelling of 1324311231 in words is "one billion, three hundred twenty-four million, three hundred eleven thousand, two hundred thirty-one".