Search a number
-
+
230000131110031 = 12831678631067939
BaseRepresentation
bin110100010010111100010100…
…000111001111010010001111
31010011100210112121000220012121
4310102330110013033102033
5220121310232031010111
62133100333534513411
766305650442310022
oct6422742407172217
91104323477026177
10230000131110031
1167315564a142a7
1221967696665867
139b44bc4914c19
1440b20cc57d1b9
151b8cc70615871
hexd12f141cf48f

230000131110031 has 8 divisors (see below), whose sum is σ = 230180985325440. Its totient is φ = 229819279368792.

The previous prime is 230000131110023. The next prime is 230000131110073. The reversal of 230000131110031 is 130011131000032.

230000131110031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230000131110031 - 23 = 230000131110023 is a prime.

It is a super-2 number, since 2×2300001311100312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230000131109987 and 230000131110014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230000131110331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214834260 + ... + 215902198.

It is an arithmetic number, because the mean of its divisors is an integer number (28772623165680).

Almost surely, 2230000131110031 is an apocalyptic number.

230000131110031 is a deficient number, since it is larger than the sum of its proper divisors (180854215409).

230000131110031 is a wasteful number, since it uses less digits than its factorization.

230000131110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237085.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 230000131110031 its reverse (130011131000032), we get a palindrome (360011262110063).

The spelling of 230000131110031 in words is "two hundred thirty trillion, one hundred thirty-one million, one hundred ten thousand, thirty-one".

Divisors: 1 1283 167863 1067939 215368229 1370165737 179267444357 230000131110031