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210220112220031 is a prime number
BaseRepresentation
bin101111110011000110101111…
…000111010000111101111111
31000120022211212001211122002101
4233303012233013100331333
5210023221242212020111
62023033441503205531
762164621231662124
oct5763065707207577
91016284761748071
10210220112220031
1160a89937a15111
121b6b20962a68a7
13903b896442b84
1439ca9c9dac74b
151948492e8cbc1
hexbf31af1d0f7f

210220112220031 has 2 divisors, whose sum is σ = 210220112220032. Its totient is φ = 210220112220030.

The previous prime is 210220112219981. The next prime is 210220112220119. The reversal of 210220112220031 is 130022211022012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210220112220031 - 215 = 210220112187263 is a prime.

It is a super-2 number, since 2×2102201122200312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210220112219990 and 210220112220008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210220112290031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110056110015 + 105110056110016.

It is an arithmetic number, because the mean of its divisors is an integer number (105110056110016).

Almost surely, 2210220112220031 is an apocalyptic number.

210220112220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220112220031 is an equidigital number, since it uses as much as digits as its factorization.

210220112220031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 210220112220031 its reverse (130022211022012), we get a palindrome (340242323242043).

The spelling of 210220112220031 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty thousand, thirty-one".