131142422240312 has 48 divisors (see below), whose sum is σ = 286689248010000. Its totient is φ = 56075868076032.

The previous prime is 131142422240309. The next prime is 131142422240327. The reversal of 131142422240312 is 213042224241131.

It is a super-2 number, since 2×131142422240312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380860937 + ... + 381205112.

It is an arithmetic number, because the mean of its divisors is an integer number (5972692666875).

Almost surely, 2^{131142422240312} is an apocalyptic number.

It is an amenable number.

131142422240312 is an abundant number, since it is smaller than the sum of its proper divisors (155546825769688).

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

131142422240312 is a wasteful number, since it uses less digits than its factorization.

131142422240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762066508 (or 762066497 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 131142422240312 its reverse (213042224241131), we get a palindrome (344184646481443).

The spelling of 131142422240312 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred forty thousand, three hundred twelve".