102110312 has 8 divisors (see below), whose sum is σ = 191456850. Its totient is φ = 51055152.

The previous prime is 102110291. The next prime is 102110321. The reversal of 102110312 is 213011201.

It can be written as a sum of positive squares in only one way, i.e., 99720196 + 2390116 = 9986^2 + 1546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102110293 and 102110302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6381887 + ... + 6381902.

Almost surely, 2^102110312 is an apocalyptic number.

It is an amenable number.

102110312 is a deficient number, since it is larger than the sum of its proper divisors (89346538).

102110312 is a wasteful number, since it uses less digits than its factorization.

102110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763795 (or 12763791 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102110312 is about 10104.9647203738. The cubic root of 102110312 is about 467.4012480751.

Adding to 102110312 its reverse (213011201), we get a palindrome (315121513).

The spelling of 102110312 in words is "one hundred two million, one hundred ten thousand, three hundred twelve".