102731168 has 12 divisors (see below), whose sum is σ = 202252050. Its totient is φ = 51365568.

The previous prime is 102731149. The next prime is 102731177. The reversal of 102731168 is 861137201.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 559504 = 10108^2 + 748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102731168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605143 + ... + 1605206.

Almost surely, 2^102731168 is an apocalyptic number.

It is an amenable number.

102731168 is a deficient number, since it is larger than the sum of its proper divisors (99520882).

102731168 is an equidigital number, since it uses as much as digits as its factorization.

102731168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210359 (or 3210351 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 102731168 is about 10135.6385097339. The cubic root of 102731168 is about 468.3466397213.

Adding to 102731168 its reverse (861137201), we get a palindrome (963868369).

The spelling of 102731168 in words is "one hundred two million, seven hundred thirty-one thousand, one hundred sixty-eight".