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10100111003131 = 99110191837541
BaseRepresentation
bin1001001011111001110110…
…0001110100110111111011
31022202120011002202010202011
42102332131201310313323
52310440011404100011
633251532115150351
72061465111003142
oct222763541646773
938676132663664
1010100111003131
113244484396446
1211715768a53b7
13583589961a96
1426cbc2c06759
15127ad8ca7621
hex92f9d874dfb

10100111003131 has 4 divisors (see below), whose sum is σ = 10110302841664. Its totient is φ = 10089919164600.

The previous prime is 10100111003111. The next prime is 10100111003137. The reversal of 10100111003131 is 13130011100101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10100111003131 - 227 = 10099976785403 is a prime.

It is a super-2 number, since 2×101001110031312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100111003137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095917780 + ... + 5095919761.

It is an arithmetic number, because the mean of its divisors is an integer number (2527575710416).

Almost surely, 210100111003131 is an apocalyptic number.

10100111003131 is a deficient number, since it is larger than the sum of its proper divisors (10191838533).

10100111003131 is an equidigital number, since it uses as much as digits as its factorization.

10100111003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191838532.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 10100111003131 its reverse (13130011100101), we get a palindrome (23230122103232).

The spelling of 10100111003131 in words is "ten trillion, one hundred billion, one hundred eleven million, three thousand, one hundred thirty-one".

Divisors: 1 991 10191837541 10100111003131