131022012322140 has 96 divisors (see below), whose sum is σ = 388444128690240. Its totient is φ = 32883753025536.

The previous prime is 131022012322139. The next prime is 131022012322147. The reversal of 131022012322140 is 41223210220131.

It is a self number, because there is not a number n which added to its sum of digits gives 131022012322140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022012322147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231168216 + ... + 231734304.

It is an arithmetic number, because the mean of its divisors is an integer number (4046293007190).

Almost surely, 2^{131022012322140} is an apocalyptic number.

131022012322140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131022012322140 is an abundant number, since it is smaller than the sum of its proper divisors (257422116368100).

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

131022012322140 is a wasteful number, since it uses less digits than its factorization.

131022012322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793031 (or 793029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131022012322140 its reverse (41223210220131), we get a palindrome (172245222542271).

The spelling of 131022012322140 in words is "one hundred thirty-one trillion, twenty-two billion, twelve million, three hundred twenty-two thousand, one hundred forty".