43051242031043 has 4 divisors (see below), whose sum is σ = 43291751763240. Its totient is φ = 42810732298848.

The previous prime is 43051242031037. The next prime is 43051242031051. The reversal of 43051242031043 is 34013024215034.

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 43051242031043 - 2³⁴ = 43034062161859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43051242031643) 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, 120254865830 + ... + 120254866187.

It is an arithmetic number, because the mean of its divisors is an integer number (10822937940810).

Almost surely, 2^{43051242031043} is an apocalyptic number.

43051242031043 is a deficient number, since it is larger than the sum of its proper divisors (240509732197).

43051242031043 is a wasteful number, since it uses less digits than its factorization.

43051242031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240509732196.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 43051242031043 its reverse (34013024215034), we get a palindrome (77064266246077).

The spelling of 43051242031043 in words is "forty-three trillion, fifty-one billion, two hundred forty-two million, thirty-one thousand, forty-three".