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31305444450313 = 113079924309677
BaseRepresentation
bin1110001111000110111011…
…11001010110000000001001
311002211202211020201221111011
413013203131321112000021
513100402022234402223
6150325304520203521
76410513045211565
oct707433571260011
9132752736657434
1031305444450313
119a7a623296360
1236172560095a1
13146112449ac07
147a3297a4c6a5
153944d6b9980d
hex1c78dde56009

31305444450313 has 8 divisors (see below), whose sum is σ = 34162485698880. Its totient is φ = 28450251827280.

The previous prime is 31305444450299. The next prime is 31305444450323.

31305444450313 is nontrivially palindromic in base 10.

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 31305444450313 - 241 = 29106421194761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31305444450323) 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, 462120970 + ... + 462188707.

It is an arithmetic number, because the mean of its divisors is an integer number (4270310712360).

Almost surely, 231305444450313 is an apocalyptic number.

It is an amenable number.

31305444450313 is a deficient number, since it is larger than the sum of its proper divisors (2857041248567).

31305444450313 is a wasteful number, since it uses less digits than its factorization.

31305444450313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924312767.

The product of its (nonzero) digits is 518400, while the sum is 40.

It can be divided in two parts, 3130544 and 4450313, that added together give a palindrome (7580857).

The spelling of 31305444450313 in words is "thirty-one trillion, three hundred five billion, four hundred forty-four million, four hundred fifty thousand, three hundred thirteen".

Divisors: 1 11 3079 33869 924309677 10167406447 2845949495483 31305444450313