131023020320 has 48 divisors (see below), whose sum is σ = 309658785408. Its totient is φ = 52389415680.

The previous prime is 131023020301. The next prime is 131023020361. The reversal of 131023020320 is 23020320131.

131023020320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274067 + ... + 580653.

It is an arithmetic number, because the mean of its divisors is an integer number (6451224696).

Almost surely, 2^131023020320 is an apocalyptic number.

131023020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131023020320 is an abundant number, since it is smaller than the sum of its proper divisors (178635765088).

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

131023020320 is a wasteful number, since it uses less digits than its factorization.

131023020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309273 (or 309265 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 131023020320 its reverse (23020320131), we get a palindrome (154043340451).

The spelling of 131023020320 in words is "one hundred thirty-one billion, twenty-three million, twenty thousand, three hundred twenty".