131344314134420 has 12 divisors (see below), whose sum is σ = 275823059682324. Its totient is φ = 52537725653760.

The previous prime is 131344314134381. The next prime is 131344314134441. The reversal of 131344314134420 is 24431413443131.

It can be written as a sum of positive squares in 2 ways, for example, as 59755590070276 + 71588724064144 = 7730174^2 + 8461012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283607853341 + ... + 3283607853380.

It is an arithmetic number, because the mean of its divisors is an integer number (22985254973527).

Almost surely, 2^{131344314134420} is an apocalyptic number.

131344314134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131344314134420 is an abundant number, since it is smaller than the sum of its proper divisors (144478745547904).

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

131344314134420 is a wasteful number, since it uses less digits than its factorization.

131344314134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567215706730 (or 6567215706728 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 131344314134420 its reverse (24431413443131), we get a palindrome (155775727577551).

The spelling of 131344314134420 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred fourteen million, one hundred thirty-four thousand, four hundred twenty".