220030311 has 8 divisors (see below), whose sum is σ = 293497344. Its totient is φ = 146625080.

The previous prime is 220030289. The next prime is 220030367. The reversal of 220030311 is 113030022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220030311 - 2¹³ = 220022119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6381 + ... + 21926.

It is an arithmetic number, because the mean of its divisors is an integer number (36687168).

Almost surely, 2^220030311 is an apocalyptic number.

220030311 is a deficient number, since it is larger than the sum of its proper divisors (73467033).

220030311 is a wasteful number, since it uses less digits than its factorization.

220030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30901.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 220030311 is about 14833.4187226007. The cubic root of 220030311 is about 603.7087969172.

Adding to 220030311 its reverse (113030022), we get a palindrome (333060333).

The spelling of 220030311 in words is "two hundred twenty million, thirty thousand, three hundred eleven".