213218034 has 32 divisors (see below), whose sum is σ = 445461120. Its totient is φ = 67949952.

The previous prime is 213218021. The next prime is 213218111. The reversal of 213218034 is 430812312.

It is a junction number, because it is equal to n+sod(n) for n = 213217995 and 213218013.

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, 11974 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (13920660).

Almost surely, 2^213218034 is an apocalyptic number.

213218034 is an abundant number, since it is smaller than the sum of its proper divisors (232243086).

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

213218034 is a wasteful number, since it uses less digits than its factorization.

213218034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 213218034 is about 14601.9873304972. The cubic root of 213218034 is about 597.4129670213.

The spelling of 213218034 in words is "two hundred thirteen million, two hundred eighteen thousand, thirty-four".