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31103213002202 = 21113943951231419
BaseRepresentation
bin1110001001001110001111…
…11101100101110111011010
311002010102211101120221122102
413010213013331211313122
513034043340012032302
6150052341354323402
76360063420236135
oct704470775456732
9132112741527572
1031103213002202
119a01886976170
1235a4017129562
131448035a89253
1479759146521c
1538e0ec895702
hex1c49c7f65dda

31103213002202 has 32 divisors (see below), whose sum is σ = 51263714073600. Its totient is φ = 14035733118000.

The previous prime is 31103213002181. The next prime is 31103213002261. The reversal of 31103213002202 is 20220031230113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134286449 + ... + 134517867.

It is an arithmetic number, because the mean of its divisors is an integer number (1601991064800).

Almost surely, 231103213002202 is an apocalyptic number.

31103213002202 is a deficient number, since it is larger than the sum of its proper divisors (20160501071398).

31103213002202 is a wasteful number, since it uses less digits than its factorization.

31103213002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275522.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31103213002202 its reverse (20220031230113), we get a palindrome (51323244232315).

The spelling of 31103213002202 in words is "thirty-one trillion, one hundred three billion, two hundred thirteen million, two thousand, two hundred two".

Divisors: 1 2 11 22 139 278 1529 3058 43951 87902 231419 462838 483461 966922 2545609 5091218 6109189 12218378 32167241 64334482 67201079 134402158 353839651 707679302 10171096469 20342192938 111882061159 223764122318 1413782409191 2827564818382 15551606501101 31103213002202