102810238247 has 2 divisors, whose sum is σ = 102810238248. Its totient is φ = 102810238246.

The previous prime is 102810238213. The next prime is 102810238337. The reversal of 102810238247 is 742832018201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102810238247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102810238247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102810238147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51405119123 + 51405119124.

It is an arithmetic number, because the mean of its divisors is an integer number (51405119124).

Almost surely, 2^102810238247 is an apocalyptic number.

102810238247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102810238247 is an equidigital number, since it uses as much as digits as its factorization.

102810238247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 102810238247 in words is "one hundred two billion, eight hundred ten million, two hundred thirty-eight thousand, two hundred forty-seven".