16431232530232 has 16 divisors (see below), whose sum is σ = 33178450301640. Its totient is φ = 7583645783136.

The previous prime is 16431232530199. The next prime is 16431232530241. The reversal of 16431232530232 is 23203523213461.

It is a junction number, because it is equal to n+sod(n) for n = 16431232530191 and 16431232530200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78996310138 + ... + 78996310345.

Almost surely, 2^{16431232530232} is an apocalyptic number.

It is an amenable number.

16431232530232 is an abundant number, since it is smaller than the sum of its proper divisors (16747217771408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16431232530232 is a wasteful number, since it uses less digits than its factorization.

16431232530232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157992620502 (or 157992620498 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 16431232530232 its reverse (23203523213461), we get a palindrome (39634755743693).

The spelling of 16431232530232 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, two hundred thirty-two".