340020810187 has 2 divisors, whose sum is σ = 340020810188. Its totient is φ = 340020810186.

The previous prime is 340020810179. The next prime is 340020810191. The reversal of 340020810187 is 781018020043.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (781018020043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340020810187 - 2³ = 340020810179 is a prime.

It is a super-2 number, since 2×340020810187² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340020810127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170010405093 + 170010405094.

It is an arithmetic number, because the mean of its divisors is an integer number (170010405094).

Almost surely, 2^340020810187 is an apocalyptic number.

340020810187 is a deficient number, since it is larger than the sum of its proper divisors (1).

340020810187 is an equidigital number, since it uses as much as digits as its factorization.

340020810187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 340020810187 in words is "three hundred forty billion, twenty million, eight hundred ten thousand, one hundred eighty-seven".