102338815385 has 8 divisors (see below), whose sum is σ = 125123684040. Its totient is φ = 80326315264.

The previous prime is 102338815367. The next prime is 102338815391. The reversal of 102338815385 is 583518833201.

It can be written as a sum of positive squares in 4 ways, for example, as 35288373904 + 67050441481 = 187852^2 + 258941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102338815385 - 2⁸ = 102338815129 is a prime.

It is a super-2 number, since 2×102338815385² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193091840 + ... + 193092369.

It is an arithmetic number, because the mean of its divisors is an integer number (15640460505).

Almost surely, 2^102338815385 is an apocalyptic number.

It is an amenable number.

102338815385 is a deficient number, since it is larger than the sum of its proper divisors (22784868655).

102338815385 is an equidigital number, since it uses as much as digits as its factorization.

102338815385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386184267.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 102338815385 in words is "one hundred two billion, three hundred thirty-eight million, eight hundred fifteen thousand, three hundred eighty-five".