431231032031143 has 2 divisors, whose sum is σ = 431231032031144. Its totient is φ = 431231032031142.

The previous prime is 431231032031113. The next prime is 431231032031257. The reversal of 431231032031143 is 341130230132134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431231032031143 - 2²⁵ = 431230998476711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431231032031113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215615516015571 + 215615516015572.

It is an arithmetic number, because the mean of its divisors is an integer number (215615516015572).

Almost surely, 2^{431231032031143} is an apocalyptic number.

431231032031143 is a deficient number, since it is larger than the sum of its proper divisors (1).

431231032031143 is an equidigital number, since it uses as much as digits as its factorization.

431231032031143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 431231032031143 its reverse (341130230132134), we get a palindrome (772361262163277).

The spelling of 431231032031143 in words is "four hundred thirty-one trillion, two hundred thirty-one billion, thirty-two million, thirty-one thousand, one hundred forty-three".