213102332 has 6 divisors (see below), whose sum is σ = 372929088. Its totient is φ = 106551164.

The previous prime is 213102319. The next prime is 213102343. The reversal of 213102332 is 233201312.

It is a self number, because there is not a number n which added to its sum of digits gives 213102332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637788 + ... + 26637795.

It is an arithmetic number, because the mean of its divisors is an integer number (62154848).

Almost surely, 2^213102332 is an apocalyptic number.

It is an amenable number.

213102332 is a deficient number, since it is larger than the sum of its proper divisors (159826756).

213102332 is a wasteful number, since it uses less digits than its factorization.

213102332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53275587 (or 53275585 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213102332 is about 14598.0249349013. The cubic root of 213102332 is about 597.3048861357.

Adding to 213102332 its reverse (233201312), we get a palindrome (446303644).

The spelling of 213102332 in words is "two hundred thirteen million, one hundred two thousand, three hundred thirty-two".