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31345325012210 = 25111801315819547
BaseRepresentation
bin1110010000010001001101…
…11101100111010011110010
311002222120202121001101201012
413020020212331213103302
513102030211200342320
6150355502111110522
76413424242331416
oct710104675472362
9132876677041635
1031345325012210
119a95528886820
123622b25b12442
131464b0b892231
147a519c408d46
1539556ce3c4c5
hex1c8226f674f2

31345325012210 has 32 divisors (see below), whose sum is σ = 61554240937152. Its totient is φ = 11397666502080.

The previous prime is 31345325012203. The next prime is 31345325012273. The reversal of 31345325012210 is 1221052354313.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5928344 + ... + 9891203.

It is an arithmetic number, because the mean of its divisors is an integer number (1923570029286).

Almost surely, 231345325012210 is an apocalyptic number.

31345325012210 is a deficient number, since it is larger than the sum of its proper divisors (30208915924942).

31345325012210 is a wasteful number, since it uses less digits than its factorization.

31345325012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15837578.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 31345325012210 its reverse (1221052354313), we get a palindrome (32566377366523).

The spelling of 31345325012210 in words is "thirty-one trillion, three hundred forty-five billion, three hundred twenty-five million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 18013 36026 90065 180130 198143 396286 990715 1981430 15819547 31639094 79097735 158195470 174015017 348030034 870075085 1740150170 284957500111 569915000222 1424787500555 2849575001110 3134532501221 6269065002442 15672662506105 31345325012210