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100303031031 = 3741116495971
BaseRepresentation
bin101110101101010000…
…1101100101011110111
3100120220021211220200020
41131122201230223313
53120410033443111
6114024550020223
710150413460620
oct1353241545367
9316807756606
10100303031031
11395a149a875
1217533347673
1395c652c048
144bd73c2a47
152920b46906
hex175a86caf7

100303031031 has 16 divisors (see below), whose sum is σ = 156570586368. Its totient is φ = 55918065600.

The previous prime is 100303030943. The next prime is 100303031039. The reversal of 100303031031 is 130130303001.

It is not a de Polignac number, because 100303031031 - 229 = 99766160119 is a prime.

It is a super-2 number, since 2×1003030310312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100303031031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303031039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58247125 + ... + 58248846.

It is an arithmetic number, because the mean of its divisors is an integer number (9785661648).

Almost surely, 2100303031031 is an apocalyptic number.

100303031031 is a deficient number, since it is larger than the sum of its proper divisors (56267555337).

100303031031 is a wasteful number, since it uses less digits than its factorization.

100303031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116496022.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 100303031031 its reverse (130130303001), we get a palindrome (230433334032).

The spelling of 100303031031 in words is "one hundred billion, three hundred three million, thirty-one thousand, thirty-one".

Divisors: 1 3 7 21 41 123 287 861 116495971 349487913 815471797 2446415391 4776334811 14329004433 33434343677 100303031031