1323431001 has 8 divisors (see below), whose sum is σ = 1960638560. Its totient is φ = 882287316.

The previous prime is 1323430961. The next prime is 1323431023. The reversal of 1323431001 is 1001343231.

It is not a de Polignac number, because 1323431001 - 2⁷ = 1323430873 is a prime.

It is a super-2 number, since 2×1323431001² = 3502939228815724002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323431701) 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 7 ways as a sum of consecutive naturals, for example, 24507955 + ... + 24508008.

It is an arithmetic number, because the mean of its divisors is an integer number (245079820).

Almost surely, 2^1323431001 is an apocalyptic number.

It is an amenable number.

1323431001 is a deficient number, since it is larger than the sum of its proper divisors (637207559).

1323431001 is an equidigital number, since it uses as much as digits as its factorization.

1323431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49015972 (or 49015966 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323431001 is about 36378.9912037154. The cubic root of 1323431001 is about 1097.9109112823.

Adding to 1323431001 its reverse (1001343231), we get a palindrome (2324774232).

The spelling of 1323431001 in words is "one billion, three hundred twenty-three million, four hundred thirty-one thousand, one".