188444124131 has 2 divisors, whose sum is σ = 188444124132. Its totient is φ = 188444124130.

The previous prime is 188444124091. The next prime is 188444124137. The reversal of 188444124131 is 131421444881.

It is a strong prime.

It is an emirp because it is prime and its reverse (131421444881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188444124131 - 2²² = 188439929827 is a prime.

It is a super-2 number, since 2×188444124131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (188444124137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94222062065 + 94222062066.

It is an arithmetic number, because the mean of its divisors is an integer number (94222062066).

Almost surely, 2^188444124131 is an apocalyptic number.

188444124131 is a deficient number, since it is larger than the sum of its proper divisors (1).

188444124131 is an equidigital number, since it uses as much as digits as its factorization.

188444124131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98304, while the sum is 41.

The spelling of 188444124131 in words is "one hundred eighty-eight billion, four hundred forty-four million, one hundred twenty-four thousand, one hundred thirty-one".