Base | Representation |
---|---|
bin | 110100100001111101100110… |
… | …111000111100000100111110 |
3 | 1010022000110210001111222220120 |
4 | 310201331212320330010332 |
5 | 220240213133334140220 |
6 | 2135210440125555410 |
7 | 66443351031301602 |
oct | 6441754670740476 |
9 | 1108013701458816 |
10 | 231032312021310 |
11 | 67683287155138 |
12 | 21ab3739a15b66 |
13 | 9bbb33b0527a7 |
14 | 410a04893d502 |
15 | 1ba9a321a1a40 |
hex | d21f66e3c13e |
231032312021310 has 64 divisors (see below), whose sum is σ = 557896646926080. Its totient is φ = 61228740326400.
The previous prime is 231032312021297. The next prime is 231032312021351. The reversal of 231032312021310 is 13120213230132.
It is a super-2 number, since 2×2310323120213102 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159676701 + ... + 161117079.
It is an arithmetic number, because the mean of its divisors is an integer number (8717135108220).
Almost surely, 2231032312021310 is an apocalyptic number.
231032312021310 is an abundant number, since it is smaller than the sum of its proper divisors (326864334904770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231032312021310 is a wasteful number, since it uses less digits than its factorization.
231032312021310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1473353.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 231032312021310 its reverse (13120213230132), we get a palindrome (244152525251442).
The spelling of 231032312021310 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred twelve million, twenty-one thousand, three hundred ten".
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