Search a number
-
+
31032333011131 = 17923734495783
BaseRepresentation
bin1110000111001010001110…
…01011111000100010111011
311001212122212122101022221221
413003211013023320202323
513031413204222324011
6150000020150212511
76352004066244634
oct703450713704273
9131778778338857
1031032333011131
119984813a78851
123592335654137
13144144b23272a
14793d89a2088b
1538c34edab971
hex1c39472f88bb

31032333011131 has 24 divisors (see below), whose sum is σ = 31365442231200. Its totient is φ = 30702382255104.

The previous prime is 31032333011087. The next prime is 31032333011137. The reversal of 31032333011131 is 13111033323013.

It is not a de Polignac number, because 31032333011131 - 227 = 31032198793403 is a prime.

It is a super-2 number, since 2×310323330111312 (a number of 28 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 = 31032333011096 and 31032333011105.

It is not an unprimeable number, because it can be changed into a prime (31032333011137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5366127666 + ... + 5366133448.

It is an arithmetic number, because the mean of its divisors is an integer number (1306893426300).

Almost surely, 231032333011131 is an apocalyptic number.

31032333011131 is a deficient number, since it is larger than the sum of its proper divisors (333109220069).

31032333011131 is an equidigital number, since it uses as much as digits as its factorization.

31032333011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31032333011131 its reverse (13111033323013), we get a palindrome (44143366334144).

The spelling of 31032333011131 in words is "thirty-one trillion, thirty-two billion, three hundred thirty-three million, eleven thousand, one hundred thirty-one".

Divisors: 1 179 373 449 5783 32041 66767 80371 167477 1035157 2157059 2596567 11951293 14386409 29978383 185293103 386113561 464785493 968519491 5366130557 69114327419 83196603247 173364988889 31032333011131