20431010143 has 2 divisors, whose sum is σ = 20431010144. Its totient is φ = 20431010142.

The previous prime is 20431010107. The next prime is 20431010179. The reversal of 20431010143 is 34101013402.

It is a balanced prime because it is at equal distance from previous prime (20431010107) and next prime (20431010179).

It is a cyclic number.

It is not a de Polignac number, because 20431010143 - 2³³ = 11841075551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20431010143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20431010843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215505071 + 10215505072.

It is an arithmetic number, because the mean of its divisors is an integer number (10215505072).

Almost surely, 2^20431010143 is an apocalyptic number.

20431010143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20431010143 is an equidigital number, since it uses as much as digits as its factorization.

20431010143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20431010143 its reverse (34101013402), we get a palindrome (54532023545).

The spelling of 20431010143 in words is "twenty billion, four hundred thirty-one million, ten thousand, one hundred forty-three".