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31440310203043 = 78246354466523
BaseRepresentation
bin1110010011000010001001…
…00001010111001010100011
311010022122221021110001001001
413021201010201113022203
513110104223402444133
6150511251253252431
76423326124203140
oct711410441271243
9133278837401031
1031440310203043
11a02184050a535
123639414334117
131470a68459571
147a9a0d4313c7
15397c7bc9787d
hex1c98448572a3

31440310203043 has 8 divisors (see below), whose sum is σ = 35932219481088. Its totient is φ = 26948510022984.

The previous prime is 31440310203011. The next prime is 31440310203079. The reversal of 31440310203043 is 34030201304413.

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 31440310203043 - 25 = 31440310203011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31440313203043) 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, 26656021 + ... + 27810502.

It is an arithmetic number, because the mean of its divisors is an integer number (4491527435136).

Almost surely, 231440310203043 is an apocalyptic number.

31440310203043 is a deficient number, since it is larger than the sum of its proper divisors (4491909278045).

31440310203043 is an equidigital number, since it uses as much as digits as its factorization.

31440310203043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54548993.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31440310203043 its reverse (34030201304413), we get a palindrome (65470511507456).

The spelling of 31440310203043 in words is "thirty-one trillion, four hundred forty billion, three hundred ten million, two hundred three thousand, forty-three".

Divisors: 1 7 82463 577241 54466523 381265661 4491472886149 31440310203043