16431232530241 has 2 divisors, whose sum is σ = 16431232530242. Its totient is φ = 16431232530240.

The previous prime is 16431232530199. The next prime is 16431232530269. The reversal of 16431232530241 is 14203523213461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16423364130625 + 7868399616 = 4052575^2 + 88704^2 .

It is a cyclic number.

It is not a de Polignac number, because 16431232530241 - 2⁷ = 16431232530113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16431232530241.

It is not a weakly prime, because it can be changed into another prime (16431232540241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215616265120 + 8215616265121.

It is an arithmetic number, because the mean of its divisors is an integer number (8215616265121).

Almost surely, 2^{16431232530241} is an apocalyptic number.

It is an amenable number.

16431232530241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16431232530241 is an equidigital number, since it uses as much as digits as its factorization.

16431232530241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 16431232530241 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, two hundred forty-one".