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22111030312131 = 367110005125931
BaseRepresentation
bin1010000011100001000000…
…00110110111110011000011
32220021210102201102121112110
411001300200012313303003
510344231342224442011
6115005400032030403
74441316641426605
oct501604006676303
986253381377473
1022111030312131
1170552651a5762
122591323392403
13c450a4636247
14566272a8d175
1528525a628ba6
hex141c201b7cc3

22111030312131 has 8 divisors (see below), whose sum is σ = 29921394253504. Its totient is φ = 14520676622760.

The previous prime is 22111030312123. The next prime is 22111030312157. The reversal of 22111030312131 is 13121303011122.

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

It is not a de Polignac number, because 22111030312131 - 23 = 22111030312123 is a prime.

It is a super-2 number, since 2×221110303121312 (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 = 22111030312098 and 22111030312107.

It is not an unprimeable number, because it can be changed into a prime (22111030312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55002562765 + ... + 55002563166.

It is an arithmetic number, because the mean of its divisors is an integer number (3740174281688).

Almost surely, 222111030312131 is an apocalyptic number.

22111030312131 is a deficient number, since it is larger than the sum of its proper divisors (7810363941373).

22111030312131 is a wasteful number, since it uses less digits than its factorization.

22111030312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110005126001.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22111030312131 its reverse (13121303011122), we get a palindrome (35232333323253).

The spelling of 22111030312131 in words is "twenty-two trillion, one hundred eleven billion, thirty million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 67 201 110005125931 330015377793 7370343437377 22111030312131