43001142131 has 8 divisors (see below), whose sum is σ = 43496815104. Its totient is φ = 42507206280.

The previous prime is 43001142047. The next prime is 43001142179. The reversal of 43001142131 is 13124110034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43001142131 is a prime.

It is a super-2 number, since 2×43001142131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43001192131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384455 + ... + 483536.

It is an arithmetic number, because the mean of its divisors is an integer number (5437101888).

Almost surely, 2^43001142131 is an apocalyptic number.

43001142131 is a deficient number, since it is larger than the sum of its proper divisors (495672973).

43001142131 is a wasteful number, since it uses less digits than its factorization.

43001142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868561.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 43001142131 its reverse (13124110034), we get a palindrome (56125252165).

The spelling of 43001142131 in words is "forty-three billion, one million, one hundred forty-two thousand, one hundred thirty-one".