102131108 has 12 divisors (see below), whose sum is σ = 178841292. Its totient is φ = 51033600.

The previous prime is 102131093. The next prime is 102131111. The reversal of 102131108 is 801131201.

It can be written as a sum of positive squares in 2 ways, for example, as 66227044 + 35904064 = 8138^2 + 5992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 14292.

It is an arithmetic number, because the mean of its divisors is an integer number (14903441).

Almost surely, 2^102131108 is an apocalyptic number.

It is an amenable number.

102131108 is a deficient number, since it is larger than the sum of its proper divisors (76710184).

102131108 is a wasteful number, since it uses less digits than its factorization.

102131108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15982 (or 15980 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 102131108 is about 10105.9936671265. The cubic root of 102131108 is about 467.4329765603.

Adding to 102131108 its reverse (801131201), we get a palindrome (903262309).

The spelling of 102131108 in words is "one hundred two million, one hundred thirty-one thousand, one hundred eight".