Base | Representation |
---|---|
bin | 1110000110100001000101… |
… | …11101011111001101101101 |
3 | 11001210112212200002112021010 |
4 | 13003100202331133031231 |
5 | 13031032443101433401 |
6 | 145541525023455433 |
7 | 6350262625314660 |
oct | 703204275371555 |
9 | 131715780075233 |
10 | 31010250421101 |
11 | 9976411a22046 |
12 | 3589bb2157579 |
13 | 143c33c254503 |
14 | 792c92d016d7 |
15 | 38b9ab3b6ed6 |
hex | 1c3422f5f36d |
31010250421101 has 16 divisors (see below), whose sum is σ = 47671889399424. Its totient is φ = 17563327670784.
The previous prime is 31010250421079. The next prime is 31010250421109. The reversal of 31010250421101 is 10112405201013.
It is not a de Polignac number, because 31010250421101 - 211 = 31010250419053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010250421109) 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, 6533973696 + ... + 6533978441.
It is an arithmetic number, because the mean of its divisors is an integer number (2979493087464).
Almost surely, 231010250421101 is an apocalyptic number.
It is an amenable number.
31010250421101 is a deficient number, since it is larger than the sum of its proper divisors (16661638978323).
31010250421101 is a wasteful number, since it uses less digits than its factorization.
31010250421101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13067952260.
The product of its (nonzero) digits is 240, while the sum is 21.
Adding to 31010250421101 its reverse (10112405201013), we get a palindrome (41122655622114).
The spelling of 31010250421101 in words is "thirty-one trillion, ten billion, two hundred fifty million, four hundred twenty-one thousand, one hundred one".
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