102243319 has 2 divisors, whose sum is σ = 102243320. Its totient is φ = 102243318.

The previous prime is 102243311. The next prime is 102243329. The reversal of 102243319 is 913342201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102243319 - 2³ = 102243311 is a prime.

It is a super-2 number, since 2×102243319² = 20907392560271522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102243293 and 102243302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102243311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51121659 + 51121660.

It is an arithmetic number, because the mean of its divisors is an integer number (51121660).

Almost surely, 2^102243319 is an apocalyptic number.

102243319 is a deficient number, since it is larger than the sum of its proper divisors (1).

102243319 is an equidigital number, since it uses as much as digits as its factorization.

102243319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 102243319 is about 10111.5438484932. The cubic root of 102243319 is about 467.6041027568.

The spelling of 102243319 in words is "one hundred two million, two hundred forty-three thousand, three hundred nineteen".