213034242 has 64 divisors (see below), whose sum is σ = 464413824. Its totient is φ = 64896000.

The previous prime is 213034231. The next prime is 213034277. The reversal of 213034242 is 242430312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848617 + ... + 848867.

It is an arithmetic number, because the mean of its divisors is an integer number (7256466).

Almost surely, 2^213034242 is an apocalyptic number.

213034242 is an abundant number, since it is smaller than the sum of its proper divisors (251379582).

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

213034242 is a wasteful number, since it uses less digits than its factorization.

213034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 213034242 is about 14595.6925837728. The cubic root of 213034242 is about 597.2412628337.

Adding to 213034242 its reverse (242430312), we get a palindrome (455464554).

The spelling of 213034242 in words is "two hundred thirteen million, thirty-four thousand, two hundred forty-two".