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31996366369913 = 1119556927490153
BaseRepresentation
bin1110100011001101111000…
…00011010011010001111001
311012021211012210020002001002
413101212330003103101321
513143212024242314123
6152014532222534345
76511442533504451
oct721467403232171
9135254183202032
1031996366369913
11a216645743870
12370913a4373b5
1314b1323c4a13a
147c88bd414d61
153a7473ca0528
hex1d19bc0d3479

31996366369913 has 16 divisors (see below), whose sum is σ = 36748837867200. Its totient is φ = 27551729940480.

The previous prime is 31996366369843. The next prime is 31996366369931.

31996366369913 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31996366369913 - 214 = 31996366353529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31996366369943) 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 15 ways as a sum of consecutive naturals, for example, 12581156 + ... + 14908997.

It is an arithmetic number, because the mean of its divisors is an integer number (2296802366700).

Almost surely, 231996366369913 is an apocalyptic number.

It is an amenable number.

31996366369913 is a deficient number, since it is larger than the sum of its proper divisors (4752471497287).

31996366369913 is a wasteful number, since it uses less digits than its factorization.

31996366369913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27495752.

The product of its digits is 688747536, while the sum is 74.

The spelling of 31996366369913 in words is "thirty-one trillion, nine hundred ninety-six billion, three hundred sixty-six million, three hundred sixty-nine thousand, nine hundred thirteen".

Divisors: 1 11 19 209 5569 61259 105811 1163921 27490153 302391683 522312907 5745441977 153092662057 1684019282627 2908760579083 31996366369913