20234204131 has 2 divisors, whose sum is σ = 20234204132. Its totient is φ = 20234204130.

The previous prime is 20234204113. The next prime is 20234204173. The reversal of 20234204131 is 13140243202.

Together with previous prime (20234204113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234204131 is a prime.

It is a super-2 number, since 2×20234204131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20234264131) 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 as a sum of consecutive naturals, namely, 10117102065 + 10117102066.

It is an arithmetic number, because the mean of its divisors is an integer number (10117102066).

Almost surely, 2^20234204131 is an apocalyptic number.

20234204131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234204131 is an equidigital number, since it uses as much as digits as its factorization.

20234204131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20234204131 its reverse (13140243202), we get a palindrome (33374447333).

The spelling of 20234204131 in words is "twenty billion, two hundred thirty-four million, two hundred four thousand, one hundred thirty-one".