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231101202102130 = 251973152271094237
BaseRepresentation
bin110100100010111101110001…
…000011101111011101110010
31010022021001121010100200220101
4310202331301003233131302
5220242330230214232010
62135302232051303014
766451340140313353
oct6442756103573562
91108231533320811
10231101202102130
11676aa518877528
1221b04b64baaa6a
139bc4999555619
14410d501d93d2a
151bab71511c73a
hexd22f710ef772

231101202102130 has 64 divisors (see below), whose sum is σ = 443903818872960. Its totient is φ = 86369780749824.

The previous prime is 231101202102091. The next prime is 231101202102157. The reversal of 231101202102130 is 31201202101132.

It is a super-2 number, since 2×2311012021021302 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 231101202102098 and 231101202102107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210651372 + ... + 211745608.

It is an arithmetic number, because the mean of its divisors is an integer number (6935997169890).

Almost surely, 2231101202102130 is an apocalyptic number.

231101202102130 is a deficient number, since it is larger than the sum of its proper divisors (212802616770830).

231101202102130 is a wasteful number, since it uses less digits than its factorization.

231101202102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109563.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231101202102130 its reverse (31201202101132), we get a palindrome (262302404203262).

The spelling of 231101202102130 in words is "two hundred thirty-one trillion, one hundred one billion, two hundred two million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 73 95 146 190 365 730 1387 2774 6935 13870 15227 30454 76135 152270 289313 578626 1094237 1111571 1446565 2188474 2223142 2893130 5471185 5557855 10942370 11115710 20790503 21119849 41581006 42239698 79879301 103952515 105599245 159758602 207905030 211198490 399396505 798793010 1517706719 3035413438 7588533595 15177067190 16661946799 33323893598 83309733995 166619467990 316576989181 633153978362 1216322116327 1582884945905 2432644232654 3165769891810 6081610581635 12163221163270 23110120210213 46220240420426 115550601051065 231101202102130