1323230131 has 2 divisors, whose sum is σ = 1323230132. Its totient is φ = 1323230130.

The previous prime is 1323230119. The next prime is 1323230137. The reversal of 1323230131 is 1310323231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323230131 - 2²¹ = 1321132979 is a prime.

It is a super-2 number, since 2×1323230131² = 3501875959172554322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323230099 and 1323230108.

It is not a weakly prime, because it can be changed into another prime (1323230137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661615065 + 661615066.

It is an arithmetic number, because the mean of its divisors is an integer number (661615066).

Almost surely, 2^1323230131 is an apocalyptic number.

1323230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323230131 is an equidigital number, since it uses as much as digits as its factorization.

1323230131 is an evil number, because the sum of its binary digits is even.

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

The square root of 1323230131 is about 36376.2303022180. The cubic root of 1323230131 is about 1097.8553615979.

Adding to 1323230131 its reverse (1310323231), we get a palindrome (2633553362).

The spelling of 1323230131 in words is "one billion, three hundred twenty-three million, two hundred thirty thousand, one hundred thirty-one".