213120332 has 6 divisors (see below), whose sum is σ = 372960588. Its totient is φ = 106560164.

The previous prime is 213120307. The next prime is 213120371. The reversal of 213120332 is 233021312.

It is a self number, because there is not a number n which added to its sum of digits gives 213120332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640038 + ... + 26640045.

It is an arithmetic number, because the mean of its divisors is an integer number (62160098).

Almost surely, 2^213120332 is an apocalyptic number.

It is an amenable number.

213120332 is a deficient number, since it is larger than the sum of its proper divisors (159840256).

213120332 is a wasteful number, since it uses less digits than its factorization.

213120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53280087 (or 53280085 counting only the distinct ones).

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

The square root of 213120332 is about 14598.6414436413. The cubic root of 213120332 is about 597.3217030724.

Adding to 213120332 its reverse (233021312), we get a palindrome (446141644).

The spelling of 213120332 in words is "two hundred thirteen million, one hundred twenty thousand, three hundred thirty-two".