43142312131 has 4 divisors (see below), whose sum is σ = 43431858000. Its totient is φ = 42852766264.

The previous prime is 43142312113. The next prime is 43142312177. The reversal of 43142312131 is 13121324134.

43142312131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43142312131 - 2²⁷ = 43008094403 is a prime.

It is a super-2 number, since 2×43142312131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43142312096 and 43142312105.

It is not an unprimeable number, because it can be changed into a prime (43142316131) 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, 144772711 + ... + 144773008.

It is an arithmetic number, because the mean of its divisors is an integer number (10857964500).

Almost surely, 2^43142312131 is an apocalyptic number.

43142312131 is a deficient number, since it is larger than the sum of its proper divisors (289545869).

43142312131 is a wasteful number, since it uses less digits than its factorization.

43142312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289545868.

The product of its digits is 1728, while the sum is 25.

Adding to 43142312131 its reverse (13121324134), we get a palindrome (56263636265).

The spelling of 43142312131 in words is "forty-three billion, one hundred forty-two million, three hundred twelve thousand, one hundred thirty-one".