215320102 has 8 divisors (see below), whose sum is σ = 323145576. Its totient is φ = 107604912.

The previous prime is 215320097. The next prime is 215320123. The reversal of 215320102 is 201023512.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 22503 + ... + 30610.

It is an arithmetic number, because the mean of its divisors is an integer number (40393197).

Almost surely, 2^215320102 is an apocalyptic number.

215320102 is a deficient number, since it is larger than the sum of its proper divisors (107825474).

215320102 is a wasteful number, since it uses less digits than its factorization.

215320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55142.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 215320102 is about 14673.7896264053. The cubic root of 215320102 is about 599.3698031331.

Adding to 215320102 its reverse (201023512), we get a palindrome (416343614).

The spelling of 215320102 in words is "two hundred fifteen million, three hundred twenty thousand, one hundred two".