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22002131002231 = 132863165600137
BaseRepresentation
bin1010000000010110001010…
…01100111110001101110111
32212220101100100011111010101
411000023011030332031313
510340440331014032411
6114443350041534531
74430413213525312
oct500130514761567
985811310144111
1022002131002231
1170130623a1396
1225741b11a4447
13c37a3b19c173
14560ca1b47979
152824d4ea18c1
hex1402c533e377

22002131002231 has 4 divisors (see below), whose sum is σ = 22002296735232. Its totient is φ = 22001965269232.

The previous prime is 22002131002219. The next prime is 22002131002237. The reversal of 22002131002231 is 13220013120022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22002131002231 - 215 = 22002130969463 is a prime.

It is a super-2 number, since 2×220021310022312 (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 = 22002131002199 and 22002131002208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002131002237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82667206 + ... + 82932931.

It is an arithmetic number, because the mean of its divisors is an integer number (5500574183808).

Almost surely, 222002131002231 is an apocalyptic number.

22002131002231 is a deficient number, since it is larger than the sum of its proper divisors (165733001).

22002131002231 is a wasteful number, since it uses less digits than its factorization.

22002131002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165733000.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22002131002231 its reverse (13220013120022), we get a palindrome (35222144122253).

The spelling of 22002131002231 in words is "twenty-two trillion, two billion, one hundred thirty-one million, two thousand, two hundred thirty-one".

Divisors: 1 132863 165600137 22002131002231