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31013301031103 = 1719526118250601
BaseRepresentation
bin1110000110100110110001…
…10010101001000010111111
311001210211202021100120110202
413003103120302221002333
513031110220030443403
6145543151440554115
76350431340135456
oct703233062510277
9131724667316422
1031013301031103
119977737a0a536
12358a70392293b
13143c7072789a1
147930a211db9d
1538bad9106688
hex1c34d8ca90bf

31013301031103 has 16 divisors (see below), whose sum is σ = 34572480380640. Its totient is φ = 27647468928000.

The previous prime is 31013301031099. The next prime is 31013301031127. The reversal of 31013301031103 is 30113010331013.

It is a cyclic number.

It is not a de Polignac number, because 31013301031103 - 22 = 31013301031099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013301931103) 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, 7425998 + ... + 10824603.

It is an arithmetic number, because the mean of its divisors is an integer number (2160780023790).

Almost surely, 231013301031103 is an apocalyptic number.

31013301031103 is a deficient number, since it is larger than the sum of its proper divisors (3559179349537).

31013301031103 is a wasteful number, since it uses less digits than its factorization.

31013301031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255898.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 31013301031103 its reverse (30113010331013), we get a palindrome (61126311362116).

The spelling of 31013301031103 in words is "thirty-one trillion, thirteen billion, three hundred one million, thirty-one thousand, one hundred three".

Divisors: 1 17 19 323 5261 89437 99959 1699303 18250601 310260217 346761419 5894944123 96016411861 1632279001637 1824311825359 31013301031103