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100131112101 = 3293761509939
BaseRepresentation
bin101110101000001000…
…1111000010010100101
3100120110022100112020110
41131100101320102211
53120032031041401
6113555525123233
710143225260346
oct1352021702245
9316408315213
10100131112101
1139513447609
12174a5859519
139599a27477
144bbc6300cd
1529109d79d6
hex17504784a5

100131112101 has 32 divisors (see below), whose sum is σ = 144170236800. Its totient is φ = 61682100480.

The previous prime is 100131112097. The next prime is 100131112117. The reversal of 100131112101 is 101211131001.

It is not a de Polignac number, because 100131112101 - 22 = 100131112097 is a prime.

It is a super-2 number, since 2×1001311121012 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131112171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58611 + ... + 451328.

It is an arithmetic number, because the mean of its divisors is an integer number (4505319900).

Almost surely, 2100131112101 is an apocalyptic number.

It is an amenable number.

100131112101 is a deficient number, since it is larger than the sum of its proper divisors (44039124699).

100131112101 is a wasteful number, since it uses less digits than its factorization.

100131112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510069.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 100131112101 its reverse (101211131001), we get a palindrome (201342243102).

The spelling of 100131112101 in words is "one hundred billion, one hundred thirty-one million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 29 37 61 87 111 183 1073 1769 2257 3219 5307 6771 65453 196359 509939 1529817 14788231 18867743 31106279 44364693 56603229 93318837 547164547 902082091 1150932323 1641493641 2706246273 3452796969 33377037367 100131112101