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22021301032031 = 7173746031086559
BaseRepresentation
bin1010000000111001110111…
…10100110101010001011111
32212222012211022221220022002
411000130323310311101133
510341244111031011111
6114500240202112515
74431662240223110
oct500347364652137
985865738856262
1022021301032031
1170201aa37a524
122577a611ab73b
13c397a492c672
14561b9db02207
15282c57e2563b
hex14073bd3545f

22021301032031 has 32 divisors (see below), whose sum is σ = 27373801697280. Its totient is φ = 17281174749696.

The previous prime is 22021301032013. The next prime is 22021301032097. The reversal of 22021301032031 is 13023010312022.

It is a cyclic number.

It is not a de Polignac number, because 22021301032031 - 238 = 21746423125087 is a prime.

It is a super-2 number, since 2×220213010320312 (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 = 22021301031994 and 22021301032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021301032231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19723730 + ... + 20810288.

It is an arithmetic number, because the mean of its divisors is an integer number (855431303040).

Almost surely, 222021301032031 is an apocalyptic number.

22021301032031 is a deficient number, since it is larger than the sum of its proper divisors (5352500665249).

22021301032031 is a wasteful number, since it uses less digits than its factorization.

22021301032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091223.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22021301032031 its reverse (13023010312022), we get a palindrome (35044311344053).

The spelling of 22021301032031 in words is "twenty-two trillion, twenty-one billion, three hundred one million, thirty-two thousand, thirty-one".

Divisors: 1 7 17 37 119 259 629 4403 4603 32221 78251 170311 547757 1086559 1192177 2895287 7605913 18471503 20267009 40202683 129300521 281418781 683445611 4784119277 5001431077 35010017539 85024328309 185052949849 595170298163 1295370648943 3145900147433 22021301032031