1431392884811 has 2 divisors, whose sum is σ = 1431392884812. Its totient is φ = 1431392884810.

The previous prime is 1431392884787. The next prime is 1431392884843. The reversal of 1431392884811 is 1184882931341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1431392884811 - 2²² = 1431388690507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431392884211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715696442405 + 715696442406.

It is an arithmetic number, because the mean of its divisors is an integer number (715696442406).

Almost surely, 2^{1431392884811} is an apocalyptic number.

1431392884811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431392884811 is an equidigital number, since it uses as much as digits as its factorization.

1431392884811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 53.

The spelling of 1431392884811 in words is "one trillion, four hundred thirty-one billion, three hundred ninety-two million, eight hundred eighty-four thousand, eight hundred eleven".