220111030031331 has 8 divisors (see below), whose sum is σ = 293496778489024. Its totient is φ = 146732984130600.

The previous prime is 220111030031203. The next prime is 220111030031359. The reversal of 220111030031331 is 133130030111022.

It is a happy number.

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

It is not a de Polignac number, because 220111030031331 - 2⁷ = 220111030031203 is a prime.

It is a super-2 number, since 2×220111030031331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220111030031298 and 220111030031307.

It is not an unprimeable number, because it can be changed into a prime (220111030031531) 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, 1925572561 + ... + 1925686866.

It is an arithmetic number, because the mean of its divisors is an integer number (36687097311128).

Almost surely, 2^{220111030031331} is an apocalyptic number.

220111030031331 is a deficient number, since it is larger than the sum of its proper divisors (73385748457693).

220111030031331 is a wasteful number, since it uses less digits than its factorization.

220111030031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851278481.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 220111030031331 its reverse (133130030111022), we get a palindrome (353241060142353).

The spelling of 220111030031331 in words is "two hundred twenty trillion, one hundred eleven billion, thirty million, thirty-one thousand, three hundred thirty-one".