131012224134020 has 48 divisors (see below), whose sum is σ = 292859968867200. Its totient is φ = 49088909041920.

The previous prime is 131012224134019. The next prime is 131012224134037. The reversal of 131012224134020 is 20431422210131.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1936870736 + ... + 1936938375.

It is an arithmetic number, because the mean of its divisors is an integer number (6101249351400).

Almost surely, 2^{131012224134020} is an apocalyptic number.

131012224134020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224134020 is an abundant number, since it is smaller than the sum of its proper divisors (161847744733180).

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

131012224134020 is a wasteful number, since it uses less digits than its factorization.

131012224134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873809228 (or 3873809226 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131012224134020 its reverse (20431422210131), we get a palindrome (151443646344151).

The spelling of 131012224134020 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, one hundred thirty-four thousand, twenty".