320131420102 has 48 divisors (see below), whose sum is σ = 551158035552. Its totient is φ = 138911485440.

The previous prime is 320131420073. The next prime is 320131420127. The reversal of 320131420102 is 201024131023.

It is a happy number.

It is a super-2 number, since 2×320131420102² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320131420102.

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 23 ways as a sum of consecutive naturals, for example, 5377383 + ... + 5436589.

It is an arithmetic number, because the mean of its divisors is an integer number (11482459074).

Almost surely, 2^320131420102 is an apocalyptic number.

320131420102 is a deficient number, since it is larger than the sum of its proper divisors (231026615450).

320131420102 is a wasteful number, since it uses less digits than its factorization.

320131420102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60193 (or 60180 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320131420102 its reverse (201024131023), we get a palindrome (521155551125).

The spelling of 320131420102 in words is "three hundred twenty billion, one hundred thirty-one million, four hundred twenty thousand, one hundred two".