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31300443021441 = 31117297489256901
BaseRepresentation
bin1110001110111101100111…
…10010011010000010000001
311002211021220200200000212210
413013132303302122002001
513100311301403141231
6150323120334212333
76410245104603366
oct707366362320201
9132737820600783
1031300443021441
119a784970a2870
12361629b0540a9
13146080825bb49
147a2d416d846d
153942e2a5ea46
hex1c77b3c9a081

31300443021441 has 64 divisors (see below), whose sum is σ = 49875159801600. Its totient is φ = 17236058112000.

The previous prime is 31300443021347. The next prime is 31300443021493. The reversal of 31300443021441 is 14412034400313.

It is not a de Polignac number, because 31300443021441 - 214 = 31300443005057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31300443021399 and 31300443021408.

It is not an unprimeable number, because it can be changed into a prime (31300443021541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121710091 + ... + 121966991.

It is an arithmetic number, because the mean of its divisors is an integer number (779299371900).

Almost surely, 231300443021441 is an apocalyptic number.

It is an amenable number.

31300443021441 is a deficient number, since it is larger than the sum of its proper divisors (18574716780159).

31300443021441 is a wasteful number, since it uses less digits than its factorization.

31300443021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264450.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31300443021441 its reverse (14412034400313), we get a palindrome (45712477421754).

The spelling of 31300443021441 in words is "thirty-one trillion, three hundred billion, four hundred forty-three million, twenty-one thousand, four hundred forty-one".

Divisors: 1 3 11 17 29 33 51 87 187 319 493 561 957 1479 5423 7489 16269 22467 82379 127313 217181 247137 256901 381939 651543 770703 1400443 2388991 2825911 3692077 4201329 4367317 7166973 7450129 8477733 11076231 13101951 22350387 40612847 48040487 81951419 121838541 126652193 144121461 245854257 379956579 1393174123 1923931589 4179522369 5771794767 21163247479 32706837013 55794016081 63489742437 98120511039 167382048243 359775207143 613734176891 948498273377 1079325621429 1841202530673 2845494820131 10433481007147 31300443021441