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20230103131221 = 359619184643567
BaseRepresentation
bin1001001100110001100000…
…00111000110010001010101
32122121222102200002200222010
410212120300013012101111
510122422222400144341
6111005325302454433
74155401546250564
oct446306007062125
978558380080863
1020230103131221
11649a5a1902285
122328890734419
13b398c9166a99
144dd1dc351bdb
15251371006716
hex1266301c6455

20230103131221 has 16 divisors (see below), whose sum is σ = 27474962918400. Its totient is φ = 13236727959408.

The previous prime is 20230103131213. The next prime is 20230103131261. The reversal of 20230103131221 is 12213130103202.

It is not a de Polignac number, because 20230103131221 - 23 = 20230103131213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230103131261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92212221 + ... + 92431346.

It is an arithmetic number, because the mean of its divisors is an integer number (1717185182400).

Almost surely, 220230103131221 is an apocalyptic number.

It is an amenable number.

20230103131221 is a deficient number, since it is larger than the sum of its proper divisors (7244859787179).

20230103131221 is a wasteful number, since it uses less digits than its factorization.

20230103131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184644248.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20230103131221 its reverse (12213130103202), we get a palindrome (32443233234423).

The spelling of 20230103131221 in words is "twenty trillion, two hundred thirty billion, one hundred three million, one hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 59 177 619 1857 36521 109563 184643567 553930701 10893970453 32681911359 114294367973 342883103919 6743367710407 20230103131221