102631216 has 10 divisors (see below), whose sum is σ = 198848012. Its totient is φ = 51315600.

The previous prime is 102631187. The next prime is 102631231. The reversal of 102631216 is 612136201.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207210 + ... + 3207241.

Almost surely, 2^102631216 is an apocalyptic number.

102631216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102631216 is a deficient number, since it is larger than the sum of its proper divisors (96216796).

102631216 is an equidigital number, since it uses as much as digits as its factorization.

102631216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414459 (or 6414453 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102631216 is about 10130.7065893747. The cubic root of 102631216 is about 468.1946982532.

Adding to 102631216 its reverse (612136201), we get a palindrome (714767417).

The spelling of 102631216 in words is "one hundred two million, six hundred thirty-one thousand, two hundred sixteen".