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31435053533455 = 5112133996828167
BaseRepresentation
bin1110010010111000010110…
…01100110000100100001111
311010022011100221002112222211
413021130023030300210033
513110012442201032310
6150505021512451251
76423051634224625
oct711341314604417
9133264327075884
1031435053533455
11a01a593233900
1236383a79a9b27
13147040b3915a0
147a9671239515
15397a70540c8a
hex1c970b33090f

31435053533455 has 24 divisors (see below), whose sum is σ = 44652564292896. Its totient is φ = 21103252716480.

The previous prime is 31435053533453. The next prime is 31435053533461. The reversal of 31435053533455 is 55433535053413.

It is a happy number.

It is not a de Polignac number, because 31435053533455 - 21 = 31435053533453 is a prime.

It is a super-3 number, since 3×314350535334553 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31435053533399 and 31435053533408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31435053533453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1998406219 + ... + 1998421948.

It is an arithmetic number, because the mean of its divisors is an integer number (1860523512204).

Almost surely, 231435053533455 is an apocalyptic number.

31435053533455 is a deficient number, since it is larger than the sum of its proper divisors (13217510759441).

31435053533455 is a wasteful number, since it uses less digits than its factorization.

31435053533455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996828207 (or 3996828196 counting only the distinct ones).

The product of its (nonzero) digits is 12150000, while the sum is 49.

Adding to 31435053533455 its reverse (55433535053413), we get a palindrome (86868588586868).

The spelling of 31435053533455 in words is "thirty-one trillion, four hundred thirty-five billion, fifty-three million, five hundred thirty-three thousand, four hundred fifty-five".

Divisors: 1 5 11 13 55 65 121 143 605 715 1573 7865 3996828167 19984140835 43965109837 51958766171 219825549185 259793830855 483616208207 571546427881 2418081041035 2857732139405 6287010706691 31435053533455