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2220313231101 = 371729379726633
BaseRepresentation
bin100000010011110100111…
…110110011111011111101
321212021000110001121000010
4200103310332303323331
5242334200141343401
64415555310053433
7316261301033130
oct40236476637375
97767013047003
102220313231101
117866a1a32189
122ba38a4aa279
131314b410c404
147966c6b2217
153cb4e941ed6
hex204f4fb3efd

2220313231101 has 64 divisors (see below), whose sum is σ = 3599225860608. Its totient is φ = 1188504772608.

The previous prime is 2220313231091. The next prime is 2220313231133. The reversal of 2220313231101 is 1011323130222.

It is not a de Polignac number, because 2220313231101 - 218 = 2220312968957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220313231181) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83353681 + ... + 83380313.

It is an arithmetic number, because the mean of its divisors is an integer number (56237904072).

Almost surely, 22220313231101 is an apocalyptic number.

2220313231101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2220313231101 is a deficient number, since it is larger than the sum of its proper divisors (1378912629507).

2220313231101 is a wasteful number, since it uses less digits than its factorization.

2220313231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750.

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

Adding to 2220313231101 its reverse (1011323130222), we get a palindrome (3231636361323).

The spelling of 2220313231101 in words is "two trillion, two hundred twenty billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 3 7 17 21 51 119 293 357 797 879 2051 2391 4981 5579 6153 13549 14943 16737 26633 34867 40647 79899 94843 104601 186431 233521 284529 452761 559293 700563 1358283 1634647 3169327 3969857 4903941 7803469 9507981 11909571 21226501 23410407 27788999 54624283 63679503 83366997 132658973 148585507 163872849 360850517 397976919 445756521 928612811 1082551551 2525953619 2785838433 6219364793 7577860857 18658094379 43535553551 105729201481 130606660653 317187604443 740104410367 2220313231101