16431232530199 has 2 divisors, whose sum is σ = 16431232530200. Its totient is φ = 16431232530198.

The previous prime is 16431232530173. The next prime is 16431232530241. The reversal of 16431232530199 is 99103523213461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16431232530199 is a prime.

It is a super-2 number, since 2×16431232530199² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16431232530899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215616265099 + 8215616265100.

It is an arithmetic number, because the mean of its divisors is an integer number (8215616265100).

Almost surely, 2^{16431232530199} is an apocalyptic number.

16431232530199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16431232530199 is an equidigital number, since it uses as much as digits as its factorization.

16431232530199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 16431232530199 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, one hundred ninety-nine".