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31144131430103 = 439454915595373
BaseRepresentation
bin1110001010011010011101…
…11001000000011011010111
311002021100110001211110101002
413011031032321000123113
513040231140121230403
6150123225542253515
76363042416156246
oct705151671003327
9132240401743332
1031144131430103
119a181742a272a
1235abb3672729b
13144bb571b7b73
147995539c895d
153901e4ce9188
hex1c534ee406d7

31144131430103 has 8 divisors (see below), whose sum is σ = 31221938748000. Its totient is φ = 31066355312928.

The previous prime is 31144131430091. The next prime is 31144131430117. The reversal of 31144131430103 is 30103413144113.

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 31144131430103 - 28 = 31144131429847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144131430193) 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 7 ways as a sum of consecutive naturals, for example, 5800676 + ... + 9794697.

It is an arithmetic number, because the mean of its divisors is an integer number (3902742343500).

Almost surely, 231144131430103 is an apocalyptic number.

31144131430103 is a deficient number, since it is larger than the sum of its proper divisors (77807317897).

31144131430103 is a wasteful number, since it uses less digits than its factorization.

31144131430103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600361.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31144131430103 its reverse (30103413144113), we get a palindrome (61247544574216).

The spelling of 31144131430103 in words is "thirty-one trillion, one hundred forty-four billion, one hundred thirty-one million, four hundred thirty thousand, one hundred three".

Divisors: 1 439 4549 1997011 15595373 6846368747 70943351777 31144131430103