20231324131 has 2 divisors, whose sum is σ = 20231324132. Its totient is φ = 20231324130.

The previous prime is 20231324083. The next prime is 20231324177. The reversal of 20231324131 is 13142313202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20231324131 - 2¹³ = 20231315939 is a prime.

It is a super-2 number, since 2×20231324131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20231324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115662065 + 10115662066.

It is an arithmetic number, because the mean of its divisors is an integer number (10115662066).

Almost surely, 2^20231324131 is an apocalyptic number.

20231324131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231324131 is an equidigital number, since it uses as much as digits as its factorization.

20231324131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20231324131 its reverse (13142313202), we get a palindrome (33373637333).

The spelling of 20231324131 in words is "twenty billion, two hundred thirty-one million, three hundred twenty-four thousand, one hundred thirty-one".