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2120034231 = 32719231297
BaseRepresentation
bin111111001011101…
…0010011110110111
312110202012220020100
41332113102132313
513320212043411
6550211405143
7103351664550
oct17627223667
95422186210
102120034231
11998782107
124b1bb37b3
1327a2b3a33
141617c3327
15c61c3456
hex7e5d27b7

2120034231 has 108 divisors (see below), whose sum is σ = 3855969936. Its totient is φ = 1099215360.

The previous prime is 2120034229. The next prime is 2120034233. The reversal of 2120034231 is 1324300212.

It is an interprime number because it is at equal distance from previous prime (2120034229) and next prime (2120034233).

It is not a de Polignac number, because 2120034231 - 21 = 2120034229 is a prime.

It is a super-2 number, since 2×21200342312 = 8989090281223522722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120034233) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 21855975 + ... + 21856071.

Almost surely, 22120034231 is an apocalyptic number.

2120034231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2120034231 is a deficient number, since it is larger than the sum of its proper divisors (1735935705).

2120034231 is a wasteful number, since it uses less digits than its factorization.

2120034231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2120034231 is about 46043.8294562909. The cubic root of 2120034231 is about 1284.6385718618.

Adding to 2120034231 its reverse (1324300212), we get a palindrome (3444334443).

The spelling of 2120034231 in words is "two billion, one hundred twenty million, thirty-four thousand, two hundred thirty-one".

Divisors: 1 3 7 9 19 21 31 57 63 93 97 133 171 217 279 291 361 399 589 651 679 873 961 1083 1197 1767 1843 1953 2037 2527 2883 3007 3249 4123 5301 5529 6111 6727 7581 8649 9021 11191 12369 12901 16587 18259 20181 21049 22743 27063 33573 35017 37107 38703 54777 57133 60543 63147 78337 93217 100719 105051 116109 127813 164331 171399 189441 235011 245119 279651 315153 346921 383439 399931 514197 652519 705033 735357 838953 1040763 1085527 1150317 1199793 1771123 1957557 2206071 2428447 3122289 3256581 3599379 5313369 5872671 7285341 7598689 9769743 12397861 15940107 21856023 22796067 33651337 37193583 68388201 100954011 111580749 235559359 302862033 706678077 2120034231