102306838187 has 2 divisors, whose sum is σ = 102306838188. Its totient is φ = 102306838186.

The previous prime is 102306838171. The next prime is 102306838199. The reversal of 102306838187 is 781838603201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102306838187 - 2⁴ = 102306838171 is a prime.

It is not a weakly prime, because it can be changed into another prime (102306838687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51153419093 + 51153419094.

It is an arithmetic number, because the mean of its divisors is an integer number (51153419094).

Almost surely, 2^102306838187 is an apocalyptic number.

102306838187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102306838187 is an equidigital number, since it uses as much as digits as its factorization.

102306838187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 102306838187 in words is "one hundred two billion, three hundred six million, eight hundred thirty-eight thousand, one hundred eighty-seven".