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31332013144406 = 2135417222462143
BaseRepresentation
bin1110001111111000011011…
…00000110111100101010110
311002221022101212102110001022
413013330031200313211112
513101320430331110111
6150345421135401142
76412443331325252
oct707741540674526
9132838355373038
1031332013144406
119a8a917661487
12362042b9831b2
1314637999c8990
147a469849b262
1539503e4352db
hex1c7f0d837956

31332013144406 has 16 divisors (see below), whose sum is σ = 50622595640064. Its totient is φ = 14458259532864.

The previous prime is 31332013144387. The next prime is 31332013144483. The reversal of 31332013144406 is 60444131023313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111090230 + ... + 111371913.

It is an arithmetic number, because the mean of its divisors is an integer number (3163912227504).

Almost surely, 231332013144406 is an apocalyptic number.

31332013144406 is a deficient number, since it is larger than the sum of its proper divisors (19290582495658).

31332013144406 is a wasteful number, since it uses less digits than its factorization.

31332013144406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222467575.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 31332013144406 its reverse (60444131023313), we get a palindrome (91776144167719).

The spelling of 31332013144406 in words is "thirty-one trillion, three hundred thirty-two billion, thirteen million, one hundred forty-four thousand, four hundred six".

Divisors: 1 2 13 26 5417 10834 70421 140842 222462143 444924286 2892007859 5784015718 1205077428631 2410154857262 15666006572203 31332013144406