Search a number
-
+
31347412083 = 3213267926599
BaseRepresentation
bin11101001100011100…
…111000110001110011
32222220122200112021100
4131030130320301303
51003144414141313
622222323455443
72156550414651
oct351434706163
988818615240
1031347412083
1112326884739
1260aa227583
132c57590560
14173538bdd1
15c37082173
hex74c738c73

31347412083 has 12 divisors (see below), whose sum is σ = 48762641200. Its totient is φ = 19290715056.

The previous prime is 31347412073. The next prime is 31347412087. The reversal of 31347412083 is 38021474313.

It is not a de Polignac number, because 31347412083 - 214 = 31347395699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31347412087) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 133963183 + ... + 133963416.

Almost surely, 231347412083 is an apocalyptic number.

31347412083 is a deficient number, since it is larger than the sum of its proper divisors (17415229117).

31347412083 is a wasteful number, since it uses less digits than its factorization.

31347412083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267926618 (or 267926615 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 31347412083 its reverse (38021474313), we get a palindrome (69368886396).

The spelling of 31347412083 in words is "thirty-one billion, three hundred forty-seven million, four hundred twelve thousand, eighty-three".

Divisors: 1 3 9 13 39 117 267926599 803779797 2411339391 3483045787 10449137361 31347412083