213230332 has 48 divisors (see below), whose sum is σ = 446584320. Its totient is φ = 87100992.

The previous prime is 213230323. The next prime is 213230341. The reversal of 213230332 is 233032312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213230323) and next prime (213230341).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300394 + ... + 301102.

It is an arithmetic number, because the mean of its divisors is an integer number (9303840).

Almost surely, 2^213230332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213230332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223292160).

213230332 is an abundant number, since it is smaller than the sum of its proper divisors (233353988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213230332 is a wasteful number, since it uses less digits than its factorization.

213230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

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

The square root of 213230332 is about 14602.4084314883. The cubic root of 213230332 is about 597.4244526717.

Adding to 213230332 its reverse (233032312), we get a palindrome (446262644).

The spelling of 213230332 in words is "two hundred thirteen million, two hundred thirty thousand, three hundred thirty-two".