1324310421 has 48 divisors (see below), whose sum is σ = 2213150720. Its totient is φ = 689160960.

The previous prime is 1324310413. The next prime is 1324310437. The reversal of 1324310421 is 1240134231.

It is not a de Polignac number, because 1324310421 - 2³ = 1324310413 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324310411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184620 + ... + 191658.

Almost surely, 2^1324310421 is an apocalyptic number.

It is an amenable number.

1324310421 is a deficient number, since it is larger than the sum of its proper divisors (888840299).

1324310421 is a wasteful number, since it uses less digits than its factorization.

1324310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114 (or 7097 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1324310421 is about 36391.0761176418. The cubic root of 1324310421 is about 1098.1540447307.

Adding to 1324310421 its reverse (1240134231), we get a palindrome (2564444652).

The spelling of 1324310421 in words is "one billion, three hundred twenty-four million, three hundred ten thousand, four hundred twenty-one".