4243052342531 has 2 divisors, whose sum is σ = 4243052342532. Its totient is φ = 4243052342530.

The previous prime is 4243052342527. The next prime is 4243052342537. The reversal of 4243052342531 is 1352432503424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4243052342531 - 2² = 4243052342527 is a prime.

It is a super-2 number, since 2×4243052342531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4243052342537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121526171265 + 2121526171266.

It is an arithmetic number, because the mean of its divisors is an integer number (2121526171266).

Almost surely, 2^{4243052342531} is an apocalyptic number.

4243052342531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243052342531 is an equidigital number, since it uses as much as digits as its factorization.

4243052342531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 4243052342531 its reverse (1352432503424), we get a palindrome (5595484845955).

The spelling of 4243052342531 in words is "four trillion, two hundred forty-three billion, fifty-two million, three hundred forty-two thousand, five hundred thirty-one".