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20212021333131 = 315742912996461
BaseRepresentation
bin1001001100001111110100…
…10110100000110010001011
32122120020202112000012001120
410212013322112200302023
510122123204430130011
6110553135135050323
74154161505433225
oct446077226406213
978506675005046
1020212021333131
1164929631307a1
1223252850709a3
13b37ca6cc6884
144dc3a4b11415
15250b63891a06
hex1261fa5a0c8b

20212021333131 has 8 divisors (see below), whose sum is σ = 27121013763984. Its totient is φ = 13388854895520.

The previous prime is 20212021333111. The next prime is 20212021333243. The reversal of 20212021333131 is 13133312021202.

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

It is not a de Polignac number, because 20212021333131 - 26 = 20212021333067 is a prime.

It is a super-2 number, since 2×202120213331312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212021333111) 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, 21456497760 + ... + 21456498701.

It is an arithmetic number, because the mean of its divisors is an integer number (3390126720498).

Almost surely, 220212021333131 is an apocalyptic number.

20212021333131 is a deficient number, since it is larger than the sum of its proper divisors (6908992430853).

20212021333131 is a wasteful number, since it uses less digits than its factorization.

20212021333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42912996621.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20212021333131 its reverse (13133312021202), we get a palindrome (33345333354333).

The spelling of 20212021333131 in words is "twenty trillion, two hundred twelve billion, twenty-one million, three hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 157 471 42912996461 128738989383 6737340444377 20212021333131