1323104331 has 4 divisors (see below), whose sum is σ = 1764139112. Its totient is φ = 882069552.

The previous prime is 1323104329. The next prime is 1323104333. The reversal of 1323104331 is 1334013231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1334013231 = 3 ⋅444671077.

It is an interprime number because it is at equal distance from previous prime (1323104329) and next prime (1323104333).

It is not a de Polignac number, because 1323104331 - 2¹ = 1323104329 is a prime.

It is a super-2 number, since 2×1323104331² = 3501210141421915122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323104298 and 1323104307.

It is not an unprimeable number, because it can be changed into a prime (1323104333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220517386 + ... + 220517391.

It is an arithmetic number, because the mean of its divisors is an integer number (441034778).

Almost surely, 2^1323104331 is an apocalyptic number.

1323104331 is a deficient number, since it is larger than the sum of its proper divisors (441034781).

1323104331 is an equidigital number, since it uses as much as digits as its factorization.

1323104331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441034780.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1323104331 is about 36374.5011099809. The cubic root of 1323104331 is about 1097.8205693175.

Adding to 1323104331 its reverse (1334013231), we get a palindrome (2657117562).

The spelling of 1323104331 in words is "one billion, three hundred twenty-three million, one hundred four thousand, three hundred thirty-one".