1323034431 has 4 divisors (see below), whose sum is σ = 1764045912. Its totient is φ = 882022952.

The previous prime is 1323034423. The next prime is 1323034457. The reversal of 1323034431 is 1344303231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344303231 = 3 ⋅448101077.

It is a cyclic number.

It is not a de Polignac number, because 1323034431 - 2³ = 1323034423 is a prime.

It is a super-2 number, since 2×1323034431² = 3500840211222987522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323034481) 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, 220505736 + ... + 220505741.

It is an arithmetic number, because the mean of its divisors is an integer number (441011478).

Almost surely, 2^1323034431 is an apocalyptic number.

1323034431 is a deficient number, since it is larger than the sum of its proper divisors (441011481).

1323034431 is an equidigital number, since it uses as much as digits as its factorization.

1323034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441011480.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1323034431 is about 36373.5402593699. The cubic root of 1323034431 is about 1097.8012362466.

Adding to 1323034431 its reverse (1344303231), we get a palindrome (2667337662).

The spelling of 1323034431 in words is "one billion, three hundred twenty-three million, thirty-four thousand, four hundred thirty-one".