188231051 has 2 divisors, whose sum is σ = 188231052. Its totient is φ = 188231050.

The previous prime is 188231047. The next prime is 188231059. The reversal of 188231051 is 150132881.

188231051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188231051 - 2² = 188231047 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (188231059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94115525 + 94115526.

It is an arithmetic number, because the mean of its divisors is an integer number (94115526).

Almost surely, 2^188231051 is an apocalyptic number.

188231051 is a deficient number, since it is larger than the sum of its proper divisors (1).

188231051 is an equidigital number, since it uses as much as digits as its factorization.

188231051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 188231051 is about 13719.7321766862. The cubic root of 188231051 is about 573.1000183786.

The spelling of 188231051 in words is "one hundred eighty-eight million, two hundred thirty-one thousand, fifty-one".