1324220331 has 16 divisors (see below), whose sum is σ = 2105593344. Its totient is φ = 723797184.

The previous prime is 1324220329. The next prime is 1324220351. The reversal of 1324220331 is 1330224231.

It is not a de Polignac number, because 1324220331 - 2¹ = 1324220329 is a prime.

It is a super-2 number, since 2×1324220331² = 3507118970067499122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1324220298 and 1324220307.

It is not an unprimeable number, because it can be changed into a prime (1324220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370346 + ... + 1371311.

It is an arithmetic number, because the mean of its divisors is an integer number (131599584).

Almost surely, 2^1324220331 is an apocalyptic number.

1324220331 is a deficient number, since it is larger than the sum of its proper divisors (781373013).

1324220331 is a wasteful number, since it uses less digits than its factorization.

1324220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741690.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1324220331 is about 36389.8382931279. The cubic root of 1324220331 is about 1098.1291424772.

Adding to 1324220331 its reverse (1330224231), we get a palindrome (2654444562).

The spelling of 1324220331 in words is "one billion, three hundred twenty-four million, two hundred twenty thousand, three hundred thirty-one".