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31020677243453 = 5926327738918553
BaseRepresentation
bin1110000110110100100000…
…11100101010001000111101
311001211112210022222222120202
413003122100130222020331
513031220321333242303
6145550411414453245
76351112204663652
oct703322034521075
9131745708888522
1031020677243453
11997a882661aa7
123590022064225
1314403114b4a91
147935a1a0bc29
1538bdbb985c88
hex1c369072a23d

31020677243453 has 32 divisors (see below), whose sum is σ = 31864134931200. Its totient is φ = 30189841168896.

The previous prime is 31020677243411. The next prime is 31020677243527. The reversal of 31020677243453 is 35434277602013.

It is a cyclic number.

It is not a de Polignac number, because 31020677243453 - 26 = 31020677243389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31020677243398 and 31020677243407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020677143453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1671994025 + ... + 1672012577.

It is an arithmetic number, because the mean of its divisors is an integer number (995754216600).

Almost surely, 231020677243453 is an apocalyptic number.

It is an amenable number.

31020677243453 is a deficient number, since it is larger than the sum of its proper divisors (843457687747).

31020677243453 is a wasteful number, since it uses less digits than its factorization.

31020677243453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 31020677243453 in words is "thirty-one trillion, twenty billion, six hundred seventy-seven million, two hundred forty-three thousand, four hundred fifty-three".

Divisors: 1 59 263 277 389 15517 16343 18553 22951 72851 102307 107753 1094627 4298209 4879439 5139181 6036113 6357427 7217117 28339039 287886901 303211679 425809903 1351604603 1672003301 1898101771 1999141409 79744671577 111988004489 117949343131 525774190567 31020677243453