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31130103123103 = 1012962910402607
BaseRepresentation
bin1110001010000000010101…
…01111010000110010011111
311002020000020102002121220011
413011000022233100302133
513040013422344414403
6150112545535104051
76362034655423105
oct705001257206237
9132200212077804
1031130103123103
119a1222571aa86
1235a9280672027
13144a72ca777aa
147989c2863c75
1538eb73473a6d
hex1c500abd0c9f

31130103123103 has 8 divisors (see below), whose sum is σ = 31439386054080. Its totient is φ = 30820841056800.

The previous prime is 31130103123061. The next prime is 31130103123143. The reversal of 31130103123103 is 30132130103113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31130103123103 - 221 = 31130101025951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130103123143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208775 + ... + 8193832.

It is an arithmetic number, because the mean of its divisors is an integer number (3929923256760).

Almost surely, 231130103123103 is an apocalyptic number.

31130103123103 is a deficient number, since it is larger than the sum of its proper divisors (309282930977).

31130103123103 is a wasteful number, since it uses less digits than its factorization.

31130103123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432337.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31130103123103 its reverse (30132130103113), we get a palindrome (61262233226216).

The spelling of 31130103123103 in words is "thirty-one trillion, one hundred thirty billion, one hundred three million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 101 29629 2992529 10402607 1050663307 308218842803 31130103123103