102742350305 has 64 divisors (see below), whose sum is σ = 151924211712. Its totient is φ = 65100119040.

The previous prime is 102742350289. The next prime is 102742350311. The reversal of 102742350305 is 503053247201.

It is not a de Polignac number, because 102742350305 - 2⁴ = 102742350289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12393872 + ... + 12402158.

It is an arithmetic number, because the mean of its divisors is an integer number (2373815808).

Almost surely, 2^102742350305 is an apocalyptic number.

It is an amenable number.

102742350305 is a deficient number, since it is larger than the sum of its proper divisors (49181861407).

102742350305 is a wasteful number, since it uses less digits than its factorization.

102742350305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 102742350305 its reverse (503053247201), we get a palindrome (605795597506).

The spelling of 102742350305 in words is "one hundred two billion, seven hundred forty-two million, three hundred fifty thousand, three hundred five".