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31101341111 = 611792848369
BaseRepresentation
bin11100111101110010…
…001100110110110111
32222021111122211100122
4130331302030312313
51002143420403421
622142053402155
72150502015611
oct347562146667
988244584318
1031101341111
111220a9949a5
12603b93935b
132c185c5329
141710815db1
15c206772ab
hex73dc8cdb7

31101341111 has 8 divisors (see below), whose sum is σ = 31787809200. Its totient is φ = 30420570240.

The previous prime is 31101341081. The next prime is 31101341123. The reversal of 31101341111 is 11114310113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31101341111 is a prime.

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 31101341111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101341311) 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, 1413266 + ... + 1435103.

It is an arithmetic number, because the mean of its divisors is an integer number (3973476150).

Almost surely, 231101341111 is an apocalyptic number.

31101341111 is a deficient number, since it is larger than the sum of its proper divisors (686468089).

31101341111 is a wasteful number, since it uses less digits than its factorization.

31101341111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848609.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31101341111 its reverse (11114310113), we get a palindrome (42215651224).

The spelling of 31101341111 in words is "thirty-one billion, one hundred one million, three hundred forty-one thousand, one hundred eleven".

Divisors: 1 61 179 10919 2848369 173750509 509858051 31101341111