220140240031 has 8 divisors (see below), whose sum is σ = 227024553600. Its totient is φ = 213361030680.

The previous prime is 220140240013. The next prime is 220140240143. The reversal of 220140240031 is 130042041022.

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 220140240031 - 2¹¹ = 220140237983 is a prime.

It is a super-3 number, since 3×220140240031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220140239990 and 220140240008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220140240431) 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, 26271801 + ... + 26280178.

It is an arithmetic number, because the mean of its divisors is an integer number (28378069200).

Almost surely, 2^220140240031 is an apocalyptic number.

220140240031 is a deficient number, since it is larger than the sum of its proper divisors (6884313569).

220140240031 is an equidigital number, since it uses as much as digits as its factorization.

220140240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52552109.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220140240031 its reverse (130042041022), we get a palindrome (350182281053).

The spelling of 220140240031 in words is "two hundred twenty billion, one hundred forty million, two hundred forty thousand, thirty-one".