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31013511014244 = 22311335969946663
BaseRepresentation
bin1110000110100111001010…
…10011101010011101100100
311001210212021220110211012010
413003103211103222131210
513031111132304423434
6145543224341354220
76350436500022303
oct703234523523544
9131725256424163
1031013511014244
1199778354a0a20
12358a762108970
13143c73b919c75
147930c1d8043a
1538baec7839e9
hex1c34e54ea764

31013511014244 has 48 divisors (see below), whose sum is σ = 78966985789440. Its totient is φ = 9395235639840.

The previous prime is 31013511014237. The next prime is 31013511014267. The reversal of 31013511014244 is 44241011531013.

It is a happy number.

It is an unprimeable number.

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, 34529944 + ... + 35416719.

It is an arithmetic number, because the mean of its divisors is an integer number (1645145537280).

Almost surely, 231013511014244 is an apocalyptic number.

It is an amenable number.

31013511014244 is an abundant number, since it is smaller than the sum of its proper divisors (47953474775196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31013511014244 is a wasteful number, since it uses less digits than its factorization.

31013511014244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69950040 (or 69950038 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 31013511014244 its reverse (44241011531013), we get a palindrome (75254522545257).

The spelling of 31013511014244 in words is "thirty-one trillion, thirteen billion, five hundred eleven million, fourteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3359 6718 10077 13436 20154 36949 40308 73898 110847 147796 221694 443388 69946663 139893326 209839989 279786652 419679978 769413293 839359956 1538826586 2308239879 3077653172 4616479758 9232959516 234950841017 469901682034 704852523051 939803364068 1409705046102 2584459251187 2819410092204 5168918502374 7753377753561 10337837004748 15506755507122 31013511014244