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100101201031 = 13217319191223
BaseRepresentation
bin101110100111001111…
…1110001110010000111
3100120101020001212222001
41131032133301302013
53120001401413111
6113552540050131
710142413112146
oct1351637616207
9316336055861
10100101201031
11394a8577a17
1217497833947
139593783b00
144bb868575d
15290d07a1c1
hex174e7f1c87

100101201031 has 48 divisors (see below), whose sum is σ = 118697840640. Its totient is φ = 84000084480.

The previous prime is 100101200999. The next prime is 100101201043. The reversal of 100101201031 is 130102101001.

It is not a de Polignac number, because 100101201031 - 25 = 100101200999 is a prime.

It is a super-2 number, since 2×1001012010312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100101200999 and 100101201017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101201091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81848286 + ... + 81849508.

It is an arithmetic number, because the mean of its divisors is an integer number (2472871680).

Almost surely, 2100101201031 is an apocalyptic number.

100101201031 is a deficient number, since it is larger than the sum of its proper divisors (18596639609).

100101201031 is a wasteful number, since it uses less digits than its factorization.

100101201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 100101201031 its reverse (130102101001), we get a palindrome (230203302032).

The spelling of 100101201031 in words is "one hundred billion, one hundred one million, two hundred one thousand, thirty-one".

Divisors: 1 13 17 31 169 221 403 527 919 1223 2873 5239 6851 11947 15623 15899 20791 28489 37913 89063 155311 203099 206687 270283 370357 484313 492869 644521 1123937 2640287 3513679 4814641 6296069 6407297 8378773 14611181 19106929 34842047 81848897 108924049 189945353 248390077 452946611 592314799 3229071001 5888305943 7700092387 100101201031