131303213122020 has 96 divisors (see below), whose sum is σ = 376626143771136. Its totient is φ = 34159269580800.

The previous prime is 131303213122007. The next prime is 131303213122043. The reversal of 131303213122020 is 20221312303131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93573237 + ... + 94966083.

It is an arithmetic number, because the mean of its divisors is an integer number (3923188997616).

Almost surely, 2^{131303213122020} is an apocalyptic number.

131303213122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303213122020 is an abundant number, since it is smaller than the sum of its proper divisors (245322930649116).

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

131303213122020 is a wasteful number, since it uses less digits than its factorization.

131303213122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431221 (or 1431219 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131303213122020 its reverse (20221312303131), we get a palindrome (151524525425151).

The spelling of 131303213122020 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred thirteen million, one hundred twenty-two thousand, twenty".