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22213130231 is a prime number
BaseRepresentation
bin10100101100000000…
…010111011111110111
32010100001220221012002
4110230000113133313
5330443030131411
614112104245515
71414314330425
oct245400273767
963301827162
1022213130231
119469807576
12437b17089b
132130055856
14110a1c0115
158a01cd33b
hex52c0177f7

22213130231 has 2 divisors, whose sum is σ = 22213130232. Its totient is φ = 22213130230.

The previous prime is 22213130167. The next prime is 22213130243. The reversal of 22213130231 is 13203131222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22213130231 - 26 = 22213130167 is a prime.

It is a super-2 number, since 2×222131302312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22213130131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106565115 + 11106565116.

It is an arithmetic number, because the mean of its divisors is an integer number (11106565116).

Almost surely, 222213130231 is an apocalyptic number.

22213130231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213130231 is an equidigital number, since it uses as much as digits as its factorization.

22213130231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22213130231 its reverse (13203131222), we get a palindrome (35416261453).

Subtracting from 22213130231 its reverse (13203131222), we obtain a palindrome (9009999009).

The spelling of 22213130231 in words is "twenty-two billion, two hundred thirteen million, one hundred thirty thousand, two hundred thirty-one".