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31445521123041 = 342316878970007
BaseRepresentation
bin1110010011001011110110…
…00111011100011011100001
311010100011101102201012110000
413021211323013130123201
513110200411401414131
6150513512321330213
76423602220245544
oct711457307343341
9133304342635400
1031445521123041
11a023a74988893
12363a429496969
1314713b8bc698c
147a9d8551885b
15397e844b3ce6
hex1c997b1dc6e1

31445521123041 has 20 divisors (see below), whose sum is σ = 49016528903232. Its totient is φ = 20052216367128.

The previous prime is 31445521123039. The next prime is 31445521123117. The reversal of 31445521123041 is 14032112554413.

31445521123041 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 5 + 521 + 123 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 31445521123041 - 21 = 31445521123039 is a prime.

It is a super-3 number, since 3×314455211230413 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 31445521122987 and 31445521123005.

It is not an unprimeable number, because it can be changed into a prime (31445521163041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8439483141 + ... + 8439486866.

Almost surely, 231445521123041 is an apocalyptic number.

It is an amenable number.

31445521123041 is a deficient number, since it is larger than the sum of its proper divisors (17571007780191).

31445521123041 is a wasteful number, since it uses less digits than its factorization.

31445521123041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16878970042 (or 16878970033 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 31445521123041 its reverse (14032112554413), we get a palindrome (45477633677454).

The spelling of 31445521123041 in words is "thirty-one trillion, four hundred forty-five billion, five hundred twenty-one million, one hundred twenty-three thousand, forty-one".

Divisors: 1 3 9 23 27 69 81 207 621 1863 16878970007 50636910021 151910730063 388216310161 455732190189 1164648930483 1367196570567 3493946791449 10481840374347 31445521123041