102320131320 has 144 divisors (see below), whose sum is σ = 365519798280. Its totient is φ = 24804869760.

The previous prime is 102320131297. The next prime is 102320131357. The reversal of 102320131320 is 23131023201.

102320131320 is a `hidden beast` number, since 10 + 2 + 320 + 1 + 313 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102320131293 and 102320131302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1130914 + ... + 1218033.

Almost surely, 2^102320131320 is an apocalyptic number.

102320131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102320131320 is an abundant number, since it is smaller than the sum of its proper divisors (263199666960).

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

102320131320 is a wasteful number, since it uses less digits than its factorization.

102320131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348986 (or 2348968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102320131320 its reverse (23131023201), we get a palindrome (125451154521).

The spelling of 102320131320 in words is "one hundred two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twenty".