220100333231 has 8 divisors (see below), whose sum is σ = 221028975024. Its totient is φ = 219171818880.

The previous prime is 220100333221. The next prime is 220100333269. The reversal of 220100333231 is 132333001022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220100333231 is a prime.

It is a super-2 number, since 2×220100333231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100333221) 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, 5290196 + ... + 5331638.

It is an arithmetic number, because the mean of its divisors is an integer number (27628621878).

Almost surely, 2^220100333231 is an apocalyptic number.

220100333231 is a deficient number, since it is larger than the sum of its proper divisors (928641793).

220100333231 is a wasteful number, since it uses less digits than its factorization.

220100333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63721.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 220100333231 its reverse (132333001022), we get a palindrome (352433334253).

The spelling of 220100333231 in words is "two hundred twenty billion, one hundred million, three hundred thirty-three thousand, two hundred thirty-one".