43131122113134 has 96 divisors (see below), whose sum is σ = 99817217136000. Its totient is φ = 12380941679040.

The previous prime is 43131122113127. The next prime is 43131122113139.

It is a happy number.

43131122113134 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131122113139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147573957 + ... + 147865935.

It is an arithmetic number, because the mean of its divisors is an integer number (1039762678500).

Almost surely, 2^{43131122113134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43131122113134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49908608568000).

43131122113134 is an abundant number, since it is smaller than the sum of its proper divisors (56686095022866).

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

43131122113134 is a wasteful number, since it uses less digits than its factorization.

43131122113134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302734 (or 302723 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

It can be divided in two parts, 4313112 and 2113134, that added together give a palindrome (6426246).

The spelling of 43131122113134 in words is "forty-three trillion, one hundred thirty-one billion, one hundred twenty-two million, one hundred thirteen thousand, one hundred thirty-four".