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22231431313 = 7131491639607
BaseRepresentation
bin10100101101000110…
…001011100010010001
32010101100100201112221
4110231012023202101
5331012221300223
614114000421041
71414626022360
oct245506134221
963340321487
1022231431313
119479077433
124385317781
132133a928b0
14110c7c57d7
158a1ae5b5d
hex52d18b891

22231431313 has 16 divisors (see below), whose sum is σ = 27545414400. Its totient is φ = 17471641536.

The previous prime is 22231431311. The next prime is 22231431331. The reversal of 22231431313 is 31313413222.

It is a cyclic number.

It is not a de Polignac number, because 22231431313 - 21 = 22231431311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22231431311) 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, 806245 + ... + 833362.

It is an arithmetic number, because the mean of its divisors is an integer number (1721588400).

Almost surely, 222231431313 is an apocalyptic number.

It is an amenable number.

22231431313 is a deficient number, since it is larger than the sum of its proper divisors (5313983087).

22231431313 is a wasteful number, since it uses less digits than its factorization.

22231431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639776.

The product of its digits is 2592, while the sum is 25.

Adding to 22231431313 its reverse (31313413222), we get a palindrome (53544844535).

The spelling of 22231431313 in words is "twenty-two billion, two hundred thirty-one million, four hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 7 13 91 149 1043 1937 13559 1639607 11477249 21314891 149204237 244301443 1710110101 3175918759 22231431313