Base | Representation |
---|---|
bin | 1110000110010000011110… |
… | …11101011010001000111101 |
3 | 11001202200212012222100110111 |
4 | 13003020033131122020331 |
5 | 13030411212311410023 |
6 | 145533452123110021 |
7 | 6346525640161363 |
oct | 703101735321075 |
9 | 131680765870414 |
10 | 31001333310013 |
11 | 99726564a5550 |
12 | 3588323972311 |
13 | 143b54aa06511 |
14 | 792688905633 |
15 | 38b63861000d |
hex | 1c320f75a23d |
31001333310013 has 32 divisors (see below), whose sum is σ = 34096679540352. Its totient is φ = 27953166259200.
The previous prime is 31001333309987. The next prime is 31001333310037.
31001333310013 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 31001333310013 - 225 = 31001299755581 is a prime.
It is a super-2 number, since 2×310013333100132 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31001333310613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3339576670 + ... + 3339585952.
It is an arithmetic number, because the mean of its divisors is an integer number (1065521235636).
Almost surely, 231001333310013 is an apocalyptic number.
It is an amenable number.
31001333310013 is a deficient number, since it is larger than the sum of its proper divisors (3095346230339).
31001333310013 is a wasteful number, since it uses less digits than its factorization.
31001333310013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14445.
The product of its (nonzero) digits is 729, while the sum is 22.
It can be divided in two parts, 3100133 and 3310013, that added together give a palindrome (6410146).
The spelling of 31001333310013 in words is "thirty-one trillion, one billion, three hundred thirty-three million, three hundred ten thousand, thirteen".
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