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31445445443041 = 7477311318776173
BaseRepresentation
bin1110010011001011101101…
…00110101111110111100001
311010100011012011022021000001
413021211312212233313201
513110200233013134131
6150513501015300001
76423600311054260
oct711456646576741
9133304164267001
1031445445443041
11a023a36198333
12363a40807a601
1314713a6319a06
147a9d794585d7
15397e7ca15261
hex1c99769afde1

31445445443041 has 64 divisors (see below), whose sum is σ = 37560382691328. Its totient is φ = 25770233438208.

The previous prime is 31445445443039. The next prime is 31445445443089. The reversal of 31445445443041 is 14034454454413.

It is not a de Polignac number, because 31445445443041 - 21 = 31445445443039 is a prime.

It is a super-2 number, since 2×314454454430412 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31445445442982 and 31445445443000.

It is not an unprimeable number, because it can be changed into a prime (31445445443641) 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, 5094026631 + ... + 5094032803.

It is an arithmetic number, because the mean of its divisors is an integer number (586880979552).

Almost surely, 231445445443041 is an apocalyptic number.

It is an amenable number.

31445445443041 is a deficient number, since it is larger than the sum of its proper divisors (6114937248287).

31445445443041 is a wasteful number, since it uses less digits than its factorization.

31445445443041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 31445445443041 its reverse (14034454454413), we get a palindrome (45479899897454).

The spelling of 31445445443041 in words is "thirty-one trillion, four hundred forty-five billion, four hundred forty-five million, four hundred forty-three thousand, forty-one".

Divisors: 1 7 47 73 113 329 511 791 1877 3431 5311 6173 8249 13139 24017 37177 43211 57743 88219 137021 212101 290131 387703 450629 617533 697549 959147 1484707 2030917 2713921 3154403 4882843 6439987 9968747 11586721 15483373 21179563 32784803 45079909 50921077 69781229 81107047 108383611 148256941 229493621 356447539 544575887 727718531 845830633 1309299473 2393290619 3812031209 5094029717 5920814431 9165096311 16753034333 39754039751 61537075231 95578861529 278278278257 430759526617 669052030703 4492206491863 31445445443041