102131323214 has 16 divisors (see below), whose sum is σ = 158904551520. Its totient is φ = 49172581920.

The previous prime is 102131323187. The next prime is 102131323271. The reversal of 102131323214 is 412323131201.

It is a self number, because there is not a number n which added to its sum of digits gives 102131323214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338802 + ... + 2382069.

It is an arithmetic number, because the mean of its divisors is an integer number (9931534470).

Almost surely, 2^102131323214 is an apocalyptic number.

102131323214 is a deficient number, since it is larger than the sum of its proper divisors (56773228306).

102131323214 is a wasteful number, since it uses less digits than its factorization.

102131323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721275.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102131323214 its reverse (412323131201), we get a palindrome (514454454415).

The spelling of 102131323214 in words is "one hundred two billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred fourteen".