213120344 has 16 divisors (see below), whose sum is σ = 400081920. Its totient is φ = 106431840.

The previous prime is 213120307. The next prime is 213120371. The reversal of 213120344 is 443021312.

213120344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792 + ... + 22439.

It is an arithmetic number, because the mean of its divisors is an integer number (25005120).

Almost surely, 2^213120344 is an apocalyptic number.

It is an amenable number.

213120344 is a deficient number, since it is larger than the sum of its proper divisors (186961576).

213120344 is a wasteful number, since it uses less digits than its factorization.

213120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32090 (or 32086 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213120344 is about 14598.6418546384. The cubic root of 213120344 is about 597.3217142834.

Adding to 213120344 its reverse (443021312), we get a palindrome (656141656).

The spelling of 213120344 in words is "two hundred thirteen million, one hundred twenty thousand, three hundred forty-four".