1323204131 has 8 divisors (see below), whose sum is σ = 1358218128. Its totient is φ = 1288620000.

The previous prime is 1323204119. The next prime is 1323204221. The reversal of 1323204131 is 1314023231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323204131 - 2¹⁰ = 1323203107 is a prime.

It is a super-2 number, since 2×1323204131² = 3501738344590930322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323224131) 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 7 ways as a sum of consecutive naturals, for example, 101225 + ... + 113546.

It is an arithmetic number, because the mean of its divisors is an integer number (169777266).

Almost surely, 2^1323204131 is an apocalyptic number.

1323204131 is a deficient number, since it is larger than the sum of its proper divisors (35013997).

1323204131 is a wasteful number, since it uses less digits than its factorization.

1323204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214933.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1323204131 is about 36375.8729242337. The cubic root of 1323204131 is about 1097.8481710053.

Adding to 1323204131 its reverse (1314023231), we get a palindrome (2637227362).

Subtracting from 1323204131 its reverse (1314023231), we obtain a square (9180900 = 3030²).

The spelling of 1323204131 in words is "one billion, three hundred twenty-three million, two hundred four thousand, one hundred thirty-one".