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100031100003031 = 1765734729163127
BaseRepresentation
bin10110101111101001001110…
…001011101010001011010111
3111010011212202100110101010211
4112233221032023222023113
5101102402143100044111
6552425353011430251
730033002623616101
oct2657511613521327
9433155670411124
10100031100003031
1129966a5116781a
12b276844bb5387
1343a7b7a3901c2
141a9b76139a571
15b87089c80521
hex5afa4e2ea2d7

100031100003031 has 8 divisors (see below), whose sum is σ = 100040258999520. Its totient is φ = 100021941437568.

The previous prime is 100031100003011. The next prime is 100031100003053. The reversal of 100031100003031 is 130300001130001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100031100003031 is a prime.

It is a super-2 number, since 2×1000311000030312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031100003011) 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, 613128390 + ... + 613291516.

It is an arithmetic number, because the mean of its divisors is an integer number (12505032374940).

Almost surely, 2100031100003031 is an apocalyptic number.

100031100003031 is a deficient number, since it is larger than the sum of its proper divisors (9158996489).

100031100003031 is a wasteful number, since it uses less digits than its factorization.

100031100003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215513.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 100031100003031 its reverse (130300001130001), we get a palindrome (230331101133032).

The spelling of 100031100003031 in words is "one hundred trillion, thirty-one billion, one hundred million, three thousand, thirty-one".

Divisors: 1 17657 34729 163127 613209953 2880333439 5665237583 100031100003031