131343540353312 has 48 divisors (see below), whose sum is σ = 295523847501120. Its totient is φ = 56289920779008.

The previous prime is 131343540353293. The next prime is 131343540353317. The reversal of 131343540353312 is 213353045343131.

It is a super-2 number, since 2×131343540353312² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131343540353312.

It is not an unprimeable number, because it can be changed into a prime (131343540353317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100578863 + ... + 101876369.

It is an arithmetic number, because the mean of its divisors is an integer number (6156746822940).

Almost surely, 2^{131343540353312} is an apocalyptic number.

It is an amenable number.

131343540353312 is an abundant number, since it is smaller than the sum of its proper divisors (164180307147808).

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

131343540353312 is a wasteful number, since it uses less digits than its factorization.

131343540353312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749433 (or 1749425 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 131343540353312 its reverse (213353045343131), we get a palindrome (344696585696443).

The spelling of 131343540353312 in words is "one hundred thirty-one trillion, three hundred forty-three billion, five hundred forty million, three hundred fifty-three thousand, three hundred twelve".