Search a number
-
+
31132132320033 = 343577811074253
BaseRepresentation
bin1110001010000100000111…
…01100000010001100100001
311002020012110211101111210000
413011002003230002030201
513040032101333220113
6150113523143530213
76362136155340123
oct705020354021441
9132205424344700
1031132132320033
119a13077099738
1235a9748159969
13144a9942a5434
14798b3615d213
1538ec416a2373
hex1c5083b02321

31132132320033 has 20 divisors (see below), whose sum is σ = 46506198099988. Its totient is φ = 20754677550240.

The previous prime is 31132132320017. The next prime is 31132132320083. The reversal of 31132132320033 is 33002323123113.

31132132320033 is a `hidden beast` number, since 3 + 1 + 132 + 1 + 323 + 200 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7131078886464 + 24001053433569 = 2670408^2 + 4899087^2 .

It is not a de Polignac number, because 31132132320033 - 24 = 31132132320017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31132132319979 and 31132132320006.

It is not an unprimeable number, because it can be changed into a prime (31132132320083) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28443135 + ... + 29517387.

Almost surely, 231132132320033 is an apocalyptic number.

It is an amenable number.

31132132320033 is a deficient number, since it is larger than the sum of its proper divisors (15374065779955).

31132132320033 is a wasteful number, since it uses less digits than its factorization.

31132132320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432046 (or 1432037 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31132132320033 its reverse (33002323123113), we get a palindrome (64134455443146).

The spelling of 31132132320033 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred thirty-two million, three hundred twenty thousand, thirty-three".

Divisors: 1 3 9 27 81 357781 1073343 1074253 3220029 3222759 9660087 9668277 28980261 29004831 87014493 384347312593 1153041937779 3459125813337 10377377440011 31132132320033