Search a number
-
+
231010013122 = 27234097692281
BaseRepresentation
bin1101011100100101000…
…1010000111111000010
3211002021111002120101221
43113021101100333002
512241102030404442
6254042522145254
722455433466350
oct3271121207702
9732244076357
10231010013122
1189a75148019
123893095222a
1318a26a18c75
14b2767227d0
156020aab467
hex35c9450fc2

231010013122 has 64 divisors (see below), whose sum is σ = 414966182400. Its totient is φ = 94304010240.

The previous prime is 231010013111. The next prime is 231010013131. The reversal of 231010013122 is 221310010132.

It is a super-2 number, since 2×2310100131222 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231010013096 and 231010013105.

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, 101274622 + ... + 101276902.

It is an arithmetic number, because the mean of its divisors is an integer number (6483846600).

Almost surely, 2231010013122 is an apocalyptic number.

231010013122 is a deficient number, since it is larger than the sum of its proper divisors (183956169278).

231010013122 is a wasteful number, since it uses less digits than its factorization.

231010013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231010013122 its reverse (221310010132), we get a palindrome (452320023254).

The spelling of 231010013122 in words is "two hundred thirty-one billion, ten million, thirteen thousand, one hundred twenty-two".

Divisors: 1 2 7 14 23 46 161 322 409 769 818 1538 2281 2863 4562 5383 5726 9407 10766 15967 17687 18814 31934 35374 52463 65849 104926 123809 131698 247618 314521 367241 629042 734482 932929 1754089 1865858 2201647 3508178 4403294 6530503 7233983 12278623 13061006 14467966 21457367 24557246 40344047 42914734 50637881 80688094 101275762 150201569 282408329 300403138 564816658 717422401 1434844802 5021956807 10043913614 16500715223 33001430446 115505006561 231010013122