213234034 has 16 divisors (see below), whose sum is σ = 353766168. Its totient is φ = 95755392.

The previous prime is 213233981. The next prime is 213234041. The reversal of 213234034 is 430432312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 123988225 + 89245809 = 11135^2 + 9447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213233996 and 213234014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109867 + ... + 111790.

Almost surely, 2^213234034 is an apocalyptic number.

213234034 is a deficient number, since it is larger than the sum of its proper divisors (140532134).

213234034 is a wasteful number, since it uses less digits than its factorization.

213234034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221709.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 213234034 is about 14602.5351908496. The cubic root of 213234034 is about 597.4279100481.

Adding to 213234034 its reverse (430432312), we get a palindrome (643666346).

The spelling of 213234034 in words is "two hundred thirteen million, two hundred thirty-four thousand, thirty-four".