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31143001432241 = 196193326465783
BaseRepresentation
bin1110001010011000010111…
…00010011010000010110001
311002021020112022112121201102
413011030023202122002301
513040221331331312431
6150122521454414145
76363002415303656
oct705141342320261
9132236468477642
1031143001432241
119a177444595a6
1235ab880201355
13144ba0706318a
147994878bbc2d
1539017a9d9dcb
hex1c530b89a0b1

31143001432241 has 8 divisors (see below), whose sum is σ = 32782637325120. Its totient is φ = 29503418594832.

The previous prime is 31143001432163. The next prime is 31143001432243. The reversal of 31143001432241 is 14223410034113.

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 31143001432241 - 214 = 31143001415857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31143001432243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12056165 + ... + 14409618.

It is an arithmetic number, because the mean of its divisors is an integer number (4097829665640).

Almost surely, 231143001432241 is an apocalyptic number.

It is an amenable number.

31143001432241 is a deficient number, since it is larger than the sum of its proper divisors (1639635892879).

31143001432241 is a wasteful number, since it uses less digits than its factorization.

31143001432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527735.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31143001432241 its reverse (14223410034113), we get a palindrome (45366411466354).

The spelling of 31143001432241 in words is "thirty-one trillion, one hundred forty-three billion, one million, four hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 19 61933 1176727 26465783 502849877 1639105338539 31143001432241