213033232 has 10 divisors (see below), whose sum is σ = 412751918. Its totient is φ = 106516608.

The previous prime is 213033181. The next prime is 213033241. The reversal of 213033232 is 232330312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 209207296 + 3825936 = 14464^2 + 1956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657273 + ... + 6657304.

Almost surely, 2^213033232 is an apocalyptic number.

It is an amenable number.

213033232 is a deficient number, since it is larger than the sum of its proper divisors (199718686).

213033232 is a wasteful number, since it uses less digits than its factorization.

213033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314585 (or 13314579 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 213033232 is about 14595.6579844829. The cubic root of 213033232 is about 597.2403189876.

Adding to 213033232 its reverse (232330312), we get a palindrome (445363544).

The spelling of 213033232 in words is "two hundred thirteen million, thirty-three thousand, two hundred thirty-two".