1323302131 has 4 divisors (see below), whose sum is σ = 1328839200. Its totient is φ = 1317765064.

The previous prime is 1323302129. The next prime is 1323302137. The reversal of 1323302131 is 1312033231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312033231 = 467 ⋅2809493.

It is a cyclic number.

It is not a de Polignac number, because 1323302131 - 2¹ = 1323302129 is a prime.

It is a super-2 number, since 2×1323302131² = 3502257059818282322, 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 = 1323302099 and 1323302108.

It is not an unprimeable number, because it can be changed into a prime (1323302137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768176 + ... + 2768653.

It is an arithmetic number, because the mean of its divisors is an integer number (332209800).

Almost surely, 2^1323302131 is an apocalyptic number.

1323302131 is a deficient number, since it is larger than the sum of its proper divisors (5537069).

1323302131 is an equidigital number, since it uses as much as digits as its factorization.

1323302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537068.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1323302131 is about 36377.2199460047. The cubic root of 1323302131 is about 1097.8752735166.

Adding to 1323302131 its reverse (1312033231), we get a palindrome (2635335362).

The spelling of 1323302131 in words is "one billion, three hundred twenty-three million, three hundred two thousand, one hundred thirty-one".