220002311131031 has 16 divisors (see below), whose sum is σ = 258469278969888. Its totient is φ = 184613734502400.

The previous prime is 220002311131021. The next prime is 220002311131073. The reversal of 220002311131031 is 130131113200022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220002311131031 - 2¹⁴ = 220002311114647 is a prime.

It is a super-2 number, since 2×220002311131031² (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 = 220002311130994 and 220002311131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002311131021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7563086 + ... + 22298091.

It is an arithmetic number, because the mean of its divisors is an integer number (16154329935618).

Almost surely, 2^{220002311131031} is an apocalyptic number.

220002311131031 is a deficient number, since it is larger than the sum of its proper divisors (38466967838857).

220002311131031 is a wasteful number, since it uses less digits than its factorization.

220002311131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29912722.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 220002311131031 its reverse (130131113200022), we get a palindrome (350133424331053).

The spelling of 220002311131031 in words is "two hundred twenty trillion, two billion, three hundred eleven million, one hundred thirty-one thousand, thirty-one".