213120330034 has 16 divisors (see below), whose sum is σ = 338703269688. Its totient is φ = 100227315712.

The previous prime is 213120330023. The next prime is 213120330041. The reversal of 213120330034 is 430033021312.

It can be written as a sum of positive squares in 4 ways, for example, as 111687634809 + 101432695225 = 334197^2 + 318485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213120329987 and 213120330014.

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, 1965307 + ... + 2070910.

Almost surely, 2^213120330034 is an apocalyptic number.

213120330034 is a deficient number, since it is larger than the sum of its proper divisors (125582939654).

213120330034 is a wasteful number, since it uses less digits than its factorization.

213120330034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037789.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213120330034 its reverse (430033021312), we get a palindrome (643153351346).

The spelling of 213120330034 in words is "two hundred thirteen billion, one hundred twenty million, three hundred thirty thousand, thirty-four".