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31302110103 = 3112953619997
BaseRepresentation
bin11101001001110000…
…000100101110010111
32222210111102221122020
4131021300010232113
51003101320010403
622214024504223
72155460355135
oct351160045627
988714387566
1031302110103
1112303252690
12609701b073
132c4b08b654
14172d358755
15c330d4453
hex749c04b97

31302110103 has 64 divisors (see below), whose sum is σ = 48114777600. Its totient is φ = 17924175360.

The previous prime is 31302110093. The next prime is 31302110111. The reversal of 31302110103 is 30101120313.

It is not a de Polignac number, because 31302110103 - 25 = 31302110071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31395801 + ... + 31396797.

It is an arithmetic number, because the mean of its divisors is an integer number (751793400).

Almost surely, 231302110103 is an apocalyptic number.

31302110103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31302110103 is a deficient number, since it is larger than the sum of its proper divisors (16812667497).

31302110103 is a wasteful number, since it uses less digits than its factorization.

31302110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31302110103 its reverse (30101120313), we get a palindrome (61403230416).

The spelling of 31302110103 in words is "thirty-one billion, three hundred two million, one hundred ten thousand, one hundred three".

Divisors: 1 3 11 29 33 53 87 159 319 583 619 957 997 1537 1749 1857 2991 4611 6809 10967 16907 17951 20427 28913 32807 32901 50721 52841 53853 86739 98421 158523 197461 318043 360877 581251 592383 617143 951403 954129 1082631 1532389 1743753 1851429 2854209 4597167 6788573 10465433 16856279 17897147 20365719 31396299 32708579 50568837 53691441 98125737 196868617 359794369 590605851 948548791 1079383107 2845646373 10434036701 31302110103