1324213403 has 4 divisors (see below), whose sum is σ = 1342864368. Its totient is φ = 1305562440.

The previous prime is 1324213349. The next prime is 1324213409. The reversal of 1324213403 is 3043124231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1324213403 - 2¹⁴ = 1324197019 is a prime.

It is a super-2 number, since 2×1324213403² = 3507082273369680818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324213409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9325376 + ... + 9325517.

It is an arithmetic number, because the mean of its divisors is an integer number (335716092).

Almost surely, 2^1324213403 is an apocalyptic number.

1324213403 is a deficient number, since it is larger than the sum of its proper divisors (18650965).

1324213403 is an equidigital number, since it uses as much as digits as its factorization.

1324213403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18650964.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1324213403 is about 36389.7431015939. The cubic root of 1324213403 is about 1098.1272274253.

Adding to 1324213403 its reverse (3043124231), we get a palindrome (4367337634).

The spelling of 1324213403 in words is "one billion, three hundred twenty-four million, two hundred thirteen thousand, four hundred three".