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31133044300231 = 1791427121883407
BaseRepresentation
bin1110001010000101110100…
…00010111101100111000111
311002020021211101102220102101
413011002322002331213013
513040040433320101411
6150114153442452531
76362200601133406
oct705027202754707
9132207741386371
1031133044300231
119a134a4963985
1235a9961664147
13144aaab204aa3
14798bc131763d
1538ec967988c1
hex1c50ba0bd9c7

31133044300231 has 8 divisors (see below), whose sum is σ = 31328911192320. Its totient is φ = 30937421178168.

The previous prime is 31133044300217. The next prime is 31133044300243. The reversal of 31133044300231 is 13200344033113.

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 31133044300231 - 29 = 31133044299719 is a prime.

It is a super-2 number, since 2×311330443002312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31133044300231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133044370231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60686271 + ... + 61197136.

It is an arithmetic number, because the mean of its divisors is an integer number (3916113899040).

Almost surely, 231133044300231 is an apocalyptic number.

31133044300231 is a deficient number, since it is larger than the sum of its proper divisors (195866892089).

31133044300231 is a wasteful number, since it uses less digits than its factorization.

31133044300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121885013.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31133044300231 its reverse (13200344033113), we get a palindrome (44333388333344).

The spelling of 31133044300231 in words is "thirty-one trillion, one hundred thirty-three billion, forty-four million, three hundred thousand, two hundred thirty-one".

Divisors: 1 179 1427 255433 121883407 21817129853 173927621789 31133044300231