231330100216 has 16 divisors (see below), whose sum is σ = 441927786600. Its totient is φ = 113482690464.

The previous prime is 231330100139. The next prime is 231330100217. The reversal of 231330100216 is 612001033132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272794506 + ... + 272795353.

Almost surely, 2^231330100216 is an apocalyptic number.

It is an amenable number.

231330100216 is a deficient number, since it is larger than the sum of its proper divisors (210597686384).

231330100216 is a wasteful number, since it uses less digits than its factorization.

231330100216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545589918 (or 545589914 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231330100216 its reverse (612001033132), we get a palindrome (843331133348).

The spelling of 231330100216 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thousand, two hundred sixteen".