1431217050427 has 2 divisors, whose sum is σ = 1431217050428. Its totient is φ = 1431217050426.

The previous prime is 1431217050409. The next prime is 1431217050457. The reversal of 1431217050427 is 7240507121341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431217050427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431217050457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715608525213 + 715608525214.

It is an arithmetic number, because the mean of its divisors is an integer number (715608525214).

Almost surely, 2^{1431217050427} is an apocalyptic number.

1431217050427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431217050427 is an equidigital number, since it uses as much as digits as its factorization.

1431217050427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 1431217050427 in words is "one trillion, four hundred thirty-one billion, two hundred seventeen million, fifty thousand, four hundred twenty-seven".