220342242102031 has 128 divisors (see below), whose sum is σ = 284217662177280. Its totient is φ = 166408879583232.

The previous prime is 220342242101987. The next prime is 220342242102041. The reversal of 220342242102031 is 130201242243022.

It is a cyclic number.

It is not a de Polignac number, because 220342242102031 - 2²¹ = 220342240004879 is a prime.

It is a super-2 number, since 2×220342242102031² (a number of 29 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 (220342242102041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11436241060 + ... + 11436260326.

It is an arithmetic number, because the mean of its divisors is an integer number (2220450485760).

Almost surely, 2^{220342242102031} is an apocalyptic number.

220342242102031 is a deficient number, since it is larger than the sum of its proper divisors (63875420075249).

220342242102031 is a wasteful number, since it uses less digits than its factorization.

220342242102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19853.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 220342242102031 its reverse (130201242243022), we get a palindrome (350543484345053).

The spelling of 220342242102031 in words is "two hundred twenty trillion, three hundred forty-two billion, two hundred forty-two million, one hundred two thousand, thirty-one".