218101034 has 4 divisors (see below), whose sum is σ = 327151554. Its totient is φ = 109050516.

The previous prime is 218101033. The next prime is 218101049. The reversal of 218101034 is 430101812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 193071025 + 25030009 = 13895^2 + 5003^2 .

It is a super-2 number, since 2×218101034² = 95136122063738312, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 218100997 and 218101015.

It is not an unprimeable number, because it can be changed into a prime (218101033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54525257 + ... + 54525260.

Almost surely, 2^218101034 is an apocalyptic number.

218101034 is a deficient number, since it is larger than the sum of its proper divisors (109050520).

218101034 is a wasteful number, since it uses less digits than its factorization.

218101034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109050519.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 218101034 is about 14768.2441068666. The cubic root of 218101034 is about 601.9391280710.

Adding to 218101034 its reverse (430101812), we get a palindrome (648202846).

The spelling of 218101034 in words is "two hundred eighteen million, one hundred one thousand, thirty-four".