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31013222011332 = 22311705733292993
BaseRepresentation
bin1110000110100110101000…
…00101001101000111000100
311001210211112202122221201120
413003103110011031013010
513031110034313330312
6145543135535153540
76350426360364231
oct703232405150704
9131724482587646
1031013222011332
1199776a7348840
12358a6a13758b0
13143c6c3a9c822
14793095830788
1538bad21e828c
hex1c34d414d1c4

31013222011332 has 48 divisors (see below), whose sum is σ = 78953935755072. Its totient is φ = 9396614062080.

The previous prime is 31013222011327. The next prime is 31013222011379. The reversal of 31013222011332 is 23311022231013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15714973 + ... + 17578020.

It is an arithmetic number, because the mean of its divisors is an integer number (1644873661564).

Almost surely, 231013222011332 is an apocalyptic number.

It is an amenable number.

31013222011332 is an abundant number, since it is smaller than the sum of its proper divisors (47940713743740).

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

31013222011332 is a wasteful number, since it uses less digits than its factorization.

31013222011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33300068 (or 33300066 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31013222011332 its reverse (23311022231013), we get a palindrome (54324244242345).

The spelling of 31013222011332 in words is "thirty-one trillion, thirteen billion, two hundred twenty-two million, eleven thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 7057 14114 21171 28228 42342 77627 84684 155254 232881 310508 465762 931524 33292993 66585986 99878979 133171972 199757958 366222923 399515916 732445846 1098668769 1464891692 2197337538 4394675076 234948651601 469897303202 704845954803 939794606404 1409691909606 2584435167611 2819383819212 5168870335222 7753305502833 10337740670444 15506611005666 31013222011332