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21023222033031 = 310368036317259
BaseRepresentation
bin1001100011110110110011…
…01011100110101010000111
32202102210121111020102210020
410301323121223212222013
510223421024320024111
6112413533533230223
74266610016552061
oct461733153465207
982383544212706
1021023222033031
116775997844069
122436536632373
13b9663463b60a
1452975a86c731
15266ce0169906
hex131ed9ae6a87

21023222033031 has 8 divisors (see below), whose sum is σ = 28303107980160. Its totient is φ = 13879408720632.

The previous prime is 21023222033017. The next prime is 21023222033053. The reversal of 21023222033031 is 13033022232012.

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

It is not a de Polignac number, because 21023222033031 - 231 = 21021074549383 is a prime.

It is a super-2 number, since 2×210232220330312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21023222032992 and 21023222033010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023222033531) 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, 34018158321 + ... + 34018158938.

It is an arithmetic number, because the mean of its divisors is an integer number (3537888497520).

Almost surely, 221023222033031 is an apocalyptic number.

21023222033031 is a deficient number, since it is larger than the sum of its proper divisors (7279885947129).

21023222033031 is a wasteful number, since it uses less digits than its factorization.

21023222033031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68036317365.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21023222033031 its reverse (13033022232012), we get a palindrome (34056244265043).

The spelling of 21023222033031 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-two million, thirty-three thousand, thirty-one".

Divisors: 1 3 103 309 68036317259 204108951777 7007740677677 21023222033031