431286554057 has 2 divisors, whose sum is σ = 431286554058. Its totient is φ = 431286554056.

The previous prime is 431286554011. The next prime is 431286554063. The reversal of 431286554057 is 750455682134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431118307216 + 168246841 = 656596^2 + 12971^2 .

It is a cyclic number.

It is not a de Polignac number, because 431286554057 - 2⁸ = 431286553801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431286553996 and 431286554014.

It is not a weakly prime, because it can be changed into another prime (431286554077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215643277028 + 215643277029.

It is an arithmetic number, because the mean of its divisors is an integer number (215643277029).

Almost surely, 2^431286554057 is an apocalyptic number.

It is an amenable number.

431286554057 is a deficient number, since it is larger than the sum of its proper divisors (1).

431286554057 is an equidigital number, since it uses as much as digits as its factorization.

431286554057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 431286554057 in words is "four hundred thirty-one billion, two hundred eighty-six million, five hundred fifty-four thousand, fifty-seven".