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31120202030333 = 1341160136469001
BaseRepresentation
bin1110001001101101111001…
…00101100101110011111101
311002012001200101102222222112
413010312330211211303331
513034333133204432313
6150104231244223405
76361234421502323
oct704667445456375
9132161611388875
1031120202030333
119a09004820489
1235a737883ab65
13144981270a610
147983238c9d13
1538e7941018a8
hex1c4dbc965cfd

31120202030333 has 16 divisors (see below), whose sum is σ = 34352924627952. Its totient is φ = 28008192000000.

The previous prime is 31120202030321. The next prime is 31120202030377. The reversal of 31120202030333 is 33303020202113.

It can be written as a sum of positive squares in 8 ways, for example, as 125172317209 + 30995029713124 = 353797^2 + 5567318^2 .

It is a cyclic number.

It is not a de Polignac number, because 31120202030333 - 232 = 31115907063037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31120202030299 and 31120202030308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120202030233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17381168 + ... + 19087833.

It is an arithmetic number, because the mean of its divisors is an integer number (2147057789247).

Almost surely, 231120202030333 is an apocalyptic number.

It is an amenable number.

31120202030333 is a deficient number, since it is larger than the sum of its proper divisors (3232722597619).

31120202030333 is a wasteful number, since it uses less digits than its factorization.

31120202030333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36470656.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31120202030333 its reverse (33303020202113), we get a palindrome (64423222232446).

The spelling of 31120202030333 in words is "thirty-one trillion, one hundred twenty billion, two hundred two million, thirty thousand, three hundred thirty-three".

Divisors: 1 13 41 533 1601 20813 65641 853333 36469001 474097013 1495229041 19437977533 58386870601 759029317813 2393861694641 31120202030333