210064231 has 4 divisors (see below), whose sum is σ = 226223032. Its totient is φ = 193905432.

The previous prime is 210064187. The next prime is 210064237. The reversal of 210064231 is 132460012.

210064231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210064231 - 2¹⁵ = 210031463 is a prime.

It is a super-2 number, since 2×210064231² = 88253962291242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210064199 and 210064208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210064237) 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, 8079381 + ... + 8079406.

It is an arithmetic number, because the mean of its divisors is an integer number (56555758).

Almost surely, 2^210064231 is an apocalyptic number.

210064231 is a deficient number, since it is larger than the sum of its proper divisors (16158801).

210064231 is a wasteful number, since it uses less digits than its factorization.

210064231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16158800.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 210064231 is about 14493.5927568012. The cubic root of 210064231 is about 594.4527897419.

The spelling of 210064231 in words is "two hundred ten million, sixty-four thousand, two hundred thirty-one".