131344144332 has 12 divisors (see below), whose sum is σ = 306469670136. Its totient is φ = 43781381440.

The previous prime is 131344144303. The next prime is 131344144339. The reversal of 131344144332 is 233441443131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131344144293 and 131344144302.

It is not an unprimeable number, because it can be changed into a prime (131344144339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472672669 + ... + 5472672692.

It is an arithmetic number, because the mean of its divisors is an integer number (25539139178).

Almost surely, 2^131344144332 is an apocalyptic number.

131344144332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131344144332 is an abundant number, since it is smaller than the sum of its proper divisors (175125525804).

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

131344144332 is a wasteful number, since it uses less digits than its factorization.

131344144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945345368 (or 10945345366 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 131344144332 its reverse (233441443131), we get a palindrome (364785587463).

The spelling of 131344144332 in words is "one hundred thirty-one billion, three hundred forty-four million, one hundred forty-four thousand, three hundred thirty-two".