43130234031242 has 4 divisors (see below), whose sum is σ = 64695351046866. Its totient is φ = 21565117015620.

The previous prime is 43130234031103. The next prime is 43130234031259. The reversal of 43130234031242 is 24213043203134.

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

It can be written as a sum of positive squares in only one way, i.e., 42837692592601 + 292541438641 = 6545051^2 + 540871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43130234031199 and 43130234031208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10782558507809 + ... + 10782558507812.

Almost surely, 2^{43130234031242} is an apocalyptic number.

43130234031242 is a deficient number, since it is larger than the sum of its proper divisors (21565117015624).

43130234031242 is a wasteful number, since it uses less digits than its factorization.

43130234031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21565117015623.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 43130234031242 its reverse (24213043203134), we get a palindrome (67343277234376).

The spelling of 43130234031242 in words is "forty-three trillion, one hundred thirty billion, two hundred thirty-four million, thirty-one thousand, two hundred forty-two".