Base | Representation |
---|---|
bin | 11101100011101000010… |
… | …111101111100110110011 |
3 | 21012011200110110020211102 |
4 | 131203220113233212303 |
5 | 231234220003232011 |
6 | 4153030213035015 |
7 | 266513060336114 |
oct | 35435027574663 |
9 | 7164613406742 |
10 | 2031123102131 |
11 | 7134380490a2 |
12 | 28978b025a6b |
13 | 1196c3508536 |
14 | 7044212c20b |
15 | 37c7a50273b |
hex | 1d8e85ef9b3 |
2031123102131 has 8 divisors (see below), whose sum is σ = 2041025029824. Its totient is φ = 2021245007040.
The previous prime is 2031123102109. The next prime is 2031123102143. The reversal of 2031123102131 is 1312013211302.
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 not a de Polignac number, because 2031123102131 - 222 = 2031118907827 is a prime.
It is a super-2 number, since 2×20311231021312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031123102331) 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, 5787275 + ... + 6128196.
It is an arithmetic number, because the mean of its divisors is an integer number (255128128728).
Almost surely, 22031123102131 is an apocalyptic number.
2031123102131 is a deficient number, since it is larger than the sum of its proper divisors (9901927693).
2031123102131 is a wasteful number, since it uses less digits than its factorization.
2031123102131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11916301.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2031123102131 its reverse (1312013211302), we get a palindrome (3343136313433).
The spelling of 2031123102131 in words is "two trillion, thirty-one billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-one".
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