8208216231 has 32 divisors (see below), whose sum is σ = 11565504000. Its totient is φ = 5170478208.

The previous prime is 8208216227. The next prime is 8208216251. The reversal of 8208216231 is 1326128028.

8208216231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8208216231 - 2² = 8208216227 is a prime.

It is a super-2 number, since 2×8208216231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8208216192 and 8208216201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208216221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1171966 + ... + 1178948.

It is an arithmetic number, because the mean of its divisors is an integer number (361422000).

Almost surely, 2^8208216231 is an apocalyptic number.

8208216231 is a deficient number, since it is larger than the sum of its proper divisors (3357287769).

8208216231 is a wasteful number, since it uses less digits than its factorization.

8208216231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8208216231 is about 90599.2065693734. The cubic root of 8208216231 is about 2017.2029574546.

The spelling of 8208216231 in words is "eight billion, two hundred eight million, two hundred sixteen thousand, two hundred thirty-one".