102231320 has 32 divisors (see below), whose sum is σ = 240023520. Its totient is φ = 39114240.

The previous prime is 102231301. The next prime is 102231361. The reversal of 102231320 is 23132201.

It is a happy number.

It is a super-3 number, since 3×102231320³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102231295 and 102231304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54641 + ... + 56480.

It is an arithmetic number, because the mean of its divisors is an integer number (7500735).

Almost surely, 2^102231320 is an apocalyptic number.

102231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231320 is an abundant number, since it is smaller than the sum of its proper divisors (137792200).

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

102231320 is a wasteful number, since it uses less digits than its factorization.

102231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111155 (or 111151 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102231320 is about 10110.9504993349. The cubic root of 102231320 is about 467.5858097893.

Adding to 102231320 its reverse (23132201), we get a palindrome (125363521).

The spelling of 102231320 in words is "one hundred two million, two hundred thirty-one thousand, three hundred twenty".