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22201231230031 = 7109290310023179
BaseRepresentation
bin1010000110001001000001…
…00000000100010001001111
32220121102020222101000012111
411003010200200010101033
510402221110143330111
6115115034350444451
74450662130532620
oct503044040042117
986542228330174
1022201231230031
11708a5422763a7
1225a68b7503727
13c5074ac74549
1456a78c52ba47
15287789441a21
hex14312080444f

22201231230031 has 16 divisors (see below), whose sum is σ = 25614436953600. Its totient is φ = 18848546136288.

The previous prime is 22201231230011. The next prime is 22201231230043. The reversal of 22201231230031 is 13003213210222.

It is a cyclic number.

It is not a de Polignac number, because 22201231230031 - 215 = 22201231197263 is a prime.

It is a super-2 number, since 2×222012312300312 (a number of 27 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 = 22201231229984 and 22201231230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201231230011) 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, 2796601 + ... + 7226578.

It is an arithmetic number, because the mean of its divisors is an integer number (1600902309600).

Almost surely, 222201231230031 is an apocalyptic number.

22201231230031 is a deficient number, since it is larger than the sum of its proper divisors (3413205723569).

22201231230031 is a wasteful number, since it uses less digits than its factorization.

22201231230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026198.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22201231230031 its reverse (13003213210222), we get a palindrome (35204444440253).

The spelling of 22201231230031 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-one million, two hundred thirty thousand, thirty-one".

Divisors: 1 7 109 763 2903 20321 316427 2214989 10023179 70162253 1092526511 7647685577 29097288637 203681020459 3171604461433 22201231230031