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231011113124 = 221143286142677
BaseRepresentation
bin1101011100100101010…
…1011101100010100100
3211002021120011110022202
43113021111131202210
512241102321104444
6254043001514032
722455446030351
oct3271125354244
9732246143282
10231011113124
1189a75829510
12389311a2918
1318a2701285c
14b27692b628
156020c2734e
hex35c955d8a4

231011113124 has 48 divisors (see below), whose sum is σ = 451445835456. Its totient is φ = 102524822400.

The previous prime is 231011113063. The next prime is 231011113133. The reversal of 231011113124 is 421311110132.

231011113124 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2310111131242 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231011113096 and 231011113105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5391674 + ... + 5434350.

It is an arithmetic number, because the mean of its divisors is an integer number (9405121572).

Almost surely, 2231011113124 is an apocalyptic number.

It is an amenable number.

231011113124 is a deficient number, since it is larger than the sum of its proper divisors (220434722332).

231011113124 is a wasteful number, since it uses less digits than its factorization.

231011113124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45596 (or 45594 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231011113124 its reverse (421311110132), we get a palindrome (652322223256).

The spelling of 231011113124 in words is "two hundred thirty-one billion, eleven million, one hundred thirteen thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 2861 5722 11444 31471 42677 62942 85354 123023 125884 170708 246046 469447 492092 938894 1353253 1835111 1877788 2706506 3670222 5413012 7340444 20186221 40372442 80744884 122098897 244197794 488395588 1343087867 2686175734 5250252571 5372351468 10500505142 21001010284 57752778281 115505556562 231011113124