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31201344124401 = 3117317293748973
BaseRepresentation
bin1110001100000101000010…
…00010000111010111110001
311002110211010022121110111210
413012002201002013113301
513042200323043440101
6150205411041030333
76400136252066253
oct706024102072761
9132424108543453
1031201344124401
119a3a463382760
1235bb0430253a9
131454374340b29
1479c2201ddcd3
153919429bd7d6
hex1c60a10875f1

31201344124401 has 32 divisors (see below), whose sum is σ = 46008190576512. Its totient is φ = 18649762306560.

The previous prime is 31201344124387. The next prime is 31201344124411. The reversal of 31201344124401 is 10442144310213.

It is a happy number.

It is not a de Polignac number, because 31201344124401 - 214 = 31201344108017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31201344124411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 41284351 + ... + 42033323.

It is an arithmetic number, because the mean of its divisors is an integer number (1437755955516).

Almost surely, 231201344124401 is an apocalyptic number.

It is an amenable number.

31201344124401 is a deficient number, since it is larger than the sum of its proper divisors (14806846452111).

31201344124401 is a wasteful number, since it uses less digits than its factorization.

31201344124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766353.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 31201344124401 its reverse (10442144310213), we get a palindrome (41643488434614).

The spelling of 31201344124401 in words is "thirty-one trillion, two hundred one billion, three hundred forty-four million, one hundred twenty-four thousand, four hundred one".

Divisors: 1 3 11 33 73 219 803 2409 17293 51879 190223 570669 748973 1262389 2246919 3787167 8238703 13886279 24716109 41658837 54675029 164025087 601425319 1804275957 12951990089 38855970267 142471890979 427415672937 945495276497 2836485829491 10400448041467 31201344124401