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31343321112343 = 192371723846939
BaseRepresentation
bin1110010000001101011111…
…00001010101111100010111
311002222101120221100201212121
413020012233201111330113
513102012110201043333
6150354531204400411
76413323500424642
oct710065741257427
9132871527321777
1031343321112343
119a9469a716129
1236226669a6107
13146487c680a76
147a504c216a59
153954a205932d
hex1c81af855f17

31343321112343 has 8 divisors (see below), whose sum is σ = 34427446531200. Its totient is φ = 28402643387448.

The previous prime is 31343321112241. The next prime is 31343321112373. The reversal of 31343321112343 is 34321112334313.

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 31343321112343 - 233 = 31334731177751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31343321112299 and 31343321112308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343321112373) 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, 35861923033 + ... + 35861923906.

It is an arithmetic number, because the mean of its divisors is an integer number (4303430816400).

Almost surely, 231343321112343 is an apocalyptic number.

31343321112343 is a deficient number, since it is larger than the sum of its proper divisors (3084125418857).

31343321112343 is a wasteful number, since it uses less digits than its factorization.

31343321112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71723846981.

The product of its digits is 46656, while the sum is 34.

Adding to 31343321112343 its reverse (34321112334313), we get a palindrome (65664433446656).

The spelling of 31343321112343 in words is "thirty-one trillion, three hundred forty-three billion, three hundred twenty-one million, one hundred twelve thousand, three hundred forty-three".

Divisors: 1 19 23 437 71723846939 1362753091841 1649648479597 31343321112343