43131013134 has 96 divisors (see below), whose sum is σ = 96024489120. Its totient is φ = 12904320000.

The previous prime is 43131013091. The next prime is 43131013147.

43131013134 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38202282 + ... + 38203410.

It is an arithmetic number, because the mean of its divisors is an integer number (1000255095).

Almost surely, 2^43131013134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43131013134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48012244560).

43131013134 is an abundant number, since it is smaller than the sum of its proper divisors (52893475986).

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

43131013134 is a wasteful number, since it uses less digits than its factorization.

43131013134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

It can be divided in two parts, 431310 and 13134, that added together give a palindrome (444444).

The spelling of 43131013134 in words is "forty-three billion, one hundred thirty-one million, thirteen thousand, one hundred thirty-four".