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22033021031 = 711327854641
BaseRepresentation
bin10100100001010001…
…010011100001100111
32002212112000102210222
4110201101103201213
5330110423133111
614042152034555
71406666405630
oct244121234147
962775012728
1022033021031
11938707a89a
12432a992a5b
132101944068
1410d02d8887
1588e4a27db
hex521453867

22033021031 has 8 divisors (see below), whose sum is σ = 25403433504. Its totient is φ = 18718318080.

The previous prime is 22033021013. The next prime is 22033021033. The reversal of 22033021031 is 13012033022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22033021031 - 210 = 22033020007 is a prime.

It is a super-2 number, since 2×220330210312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033021033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13926530 + ... + 13928111.

It is an arithmetic number, because the mean of its divisors is an integer number (3175429188).

Almost surely, 222033021031 is an apocalyptic number.

22033021031 is a deficient number, since it is larger than the sum of its proper divisors (3370412473).

22033021031 is a wasteful number, since it uses less digits than its factorization.

22033021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27854761.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22033021031 its reverse (13012033022), we get a palindrome (35045054053).

The spelling of 22033021031 in words is "twenty-two billion, thirty-three million, twenty-one thousand, thirty-one".

Divisors: 1 7 113 791 27854641 194982487 3147574433 22033021031