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31021303441113 = 3225113732316707
BaseRepresentation
bin1110000110110101101011…
…10001011010011011011001
311001211121101222022010021200
413003122311301122123121
513031223112140103423
6145550553504224413
76351133550404056
oct703326561323331
9131747358263250
1031021303441113
119980074083627
12359017790b109
1314403b1153a3b
14793620c5402d
1538be0692ad43
hex1c36b5c5a6d9

31021303441113 has 12 divisors (see below), whose sum is σ = 44987069535408. Its totient is φ = 20598475059000.

The previous prime is 31021303441097. The next prime is 31021303441181. The reversal of 31021303441113 is 31114430312013.

31021303441113 is a `hidden beast` number, since 3 + 1 + 0 + 213 + 0 + 3 + 441 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 31021303441113 - 24 = 31021303441097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31021303441813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6866156095 + ... + 6866160612.

It is an arithmetic number, because the mean of its divisors is an integer number (3748922461284).

Almost surely, 231021303441113 is an apocalyptic number.

It is an amenable number.

31021303441113 is a deficient number, since it is larger than the sum of its proper divisors (13965766094295).

31021303441113 is a wasteful number, since it uses less digits than its factorization.

31021303441113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732316964 (or 13732316961 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 31021303441113 its reverse (31114430312013), we get a palindrome (62135733753126).

The spelling of 31021303441113 in words is "thirty-one trillion, twenty-one billion, three hundred three million, four hundred forty-one thousand, one hundred thirteen".

Divisors: 1 3 9 251 753 2259 13732316707 41196950121 123590850363 3446811493457 10340434480371 31021303441113