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31335412221201 = 3113143171069377
BaseRepresentation
bin1110001111111110110000…
…00111010100010100010001
311002221122011202101102211110
413013333120013110110101
513101344411012034301
6150351142321403533
76412623504106164
oct707773007242421
9132848152342743
1031335412221201
119a91301317160
12362101a1995a9
131463bbbc8a51a
147a48dbaa7adb
1539518ca590d6
hex1c7fd81d4511

31335412221201 has 32 divisors (see below), whose sum is σ = 47158227910656. Its totient is φ = 18335899008000.

The previous prime is 31335412221101. The next prime is 31335412221229. The reversal of 31335412221201 is 10212221453313.

It is not a de Polignac number, because 31335412221201 - 27 = 31335412221073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31335412221101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 35093776 + ... + 35975601.

It is an arithmetic number, because the mean of its divisors is an integer number (1473694622208).

Almost surely, 231335412221201 is an apocalyptic number.

31335412221201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31335412221201 is a deficient number, since it is larger than the sum of its proper divisors (15822815689455).

31335412221201 is a wasteful number, since it uses less digits than its factorization.

31335412221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71069853.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 31335412221201 its reverse (10212221453313), we get a palindrome (41547633674514).

The spelling of 31335412221201 in words is "thirty-one trillion, three hundred thirty-five billion, four hundred twelve million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3 11 31 33 93 341 431 1023 1293 4741 13361 14223 40083 146971 440913 71069377 213208131 781763147 2203150687 2345289441 6609452061 24234657557 30630901487 72703972671 91892704461 336939916357 949557946097 1010819749071 2848673838291 10445137407067 31335412221201