131214438427 has 2 divisors, whose sum is σ = 131214438428. Its totient is φ = 131214438426.

The previous prime is 131214438419. The next prime is 131214438449. The reversal of 131214438427 is 724834412131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (724834412131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131214438427 - 2³ = 131214438419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131214438427.

It is not a weakly prime, because it can be changed into another prime (131214438127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607219213 + 65607219214.

It is an arithmetic number, because the mean of its divisors is an integer number (65607219214).

Almost surely, 2^131214438427 is an apocalyptic number.

131214438427 is a deficient number, since it is larger than the sum of its proper divisors (1).

131214438427 is an equidigital number, since it uses as much as digits as its factorization.

131214438427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The spelling of 131214438427 in words is "one hundred thirty-one billion, two hundred fourteen million, four hundred thirty-eight thousand, four hundred twenty-seven".