43012142331 has 4 divisors (see below), whose sum is σ = 57349523112. Its totient is φ = 28674761552.

The previous prime is 43012142311. The next prime is 43012142339. The reversal of 43012142331 is 13324121034.

It is a happy number.

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 43012142331 - 2⁶ = 43012142267 is a prime.

It is a super-2 number, since 2×43012142331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43012142339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7168690386 + ... + 7168690391.

It is an arithmetic number, because the mean of its divisors is an integer number (14337380778).

Almost surely, 2^43012142331 is an apocalyptic number.

43012142331 is a deficient number, since it is larger than the sum of its proper divisors (14337380781).

43012142331 is a wasteful number, since it uses less digits than its factorization.

43012142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14337380780.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43012142331 its reverse (13324121034), we get a palindrome (56336263365).

The spelling of 43012142331 in words is "forty-three billion, twelve million, one hundred forty-two thousand, three hundred thirty-one".