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31041124311 = 310347041437
BaseRepresentation
bin11100111010001100…
…011111011111010111
32222010022100111102210
4130322030133133113
51002033011434221
622132103004503
72146141126461
oct347214373727
988108314383
1031041124311
11121899a614a
126023739733
132c08ca07a2
14170681d131
15c1a230276
hex73a31f7d7

31041124311 has 4 divisors (see below), whose sum is σ = 41388165752. Its totient is φ = 20694082872.

The previous prime is 31041124271. The next prime is 31041124343. The reversal of 31041124311 is 11342114013.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31041124311 - 214 = 31041107927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021124311) 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 3 ways as a sum of consecutive naturals, for example, 5173520716 + ... + 5173520721.

It is an arithmetic number, because the mean of its divisors is an integer number (10347041438).

Almost surely, 231041124311 is an apocalyptic number.

31041124311 is a deficient number, since it is larger than the sum of its proper divisors (10347041441).

31041124311 is a wasteful number, since it uses less digits than its factorization.

31041124311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347041440.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31041124311 its reverse (11342114013), we get a palindrome (42383238324).

The spelling of 31041124311 in words is "thirty-one billion, forty-one million, one hundred twenty-four thousand, three hundred eleven".

Divisors: 1 3 10347041437 31041124311