102331320 has 128 divisors (see below), whose sum is σ = 377879040. Its totient is φ = 21588480.

The previous prime is 102331319. The next prime is 102331379. The reversal of 102331320 is 23133201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102331320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6235 + ... + 15605.

It is an arithmetic number, because the mean of its divisors is an integer number (2952180).

Almost surely, 2^102331320 is an apocalyptic number.

102331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188939520).

102331320 is an abundant number, since it is smaller than the sum of its proper divisors (275547720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102331320 is a wasteful number, since it uses less digits than its factorization.

102331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405 (or 9401 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 102331320 is about 10115.8944241229. The cubic root of 102331320 is about 467.7382201702.

Adding to 102331320 its reverse (23133201), we get a palindrome (125464521).

The spelling of 102331320 in words is "one hundred two million, three hundred thirty-one thousand, three hundred twenty".