Search a number
-
+
31110031012030 = 25291011062138307
BaseRepresentation
bin1110001001011010111100…
…10110001111000010111110
311002011002102112212201211221
413010231132112033002332
513034201320414341110
6150055430112103554
76360424366330615
oct704553626170276
9132132375781757
1031110031012030
119a04765518933
1235a53ba534bba
1314488814724a9
14797a3ab6a87c
1538e39b2117da
hex1c4b5e58f0be

31110031012030 has 32 divisors (see below), whose sum is σ = 58502578004640. Its totient is φ = 11895949027200.

The previous prime is 31110031012019. The next prime is 31110031012051. The reversal of 31110031012030 is 3021013001113.

It is a junction number, because it is equal to n+sod(n) for n = 31110031011995 and 31110031012013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531039864 + ... + 531098443.

It is an arithmetic number, because the mean of its divisors is an integer number (1828205562645).

Almost surely, 231110031012030 is an apocalyptic number.

31110031012030 is a deficient number, since it is larger than the sum of its proper divisors (27392546992610).

31110031012030 is a wasteful number, since it uses less digits than its factorization.

31110031012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062138444.

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

Adding to 31110031012030 its reverse (3021013001113), we get a palindrome (34131044013143).

The spelling of 31110031012030 in words is "thirty-one trillion, one hundred ten billion, thirty-one million, twelve thousand, thirty".

Divisors: 1 2 5 10 29 58 101 145 202 290 505 1010 2929 5858 14645 29290 1062138307 2124276614 5310691535 10621383070 30802010903 61604021806 107275969007 154010054515 214551938014 308020109030 536379845035 1072759690070 3111003101203 6222006202406 15555015506015 31110031012030