Base | Representation |
---|---|
bin | 11100111110010100… |
… | …000111010100000101 |
3 | 2222022010101111101221 |
4 | 130332110013110011 |
5 | 1002203204400201 |
6 | 22143012120341 |
7 | 2150640413542 |
oct | 347624072405 |
9 | 88263344357 |
10 | 31110231301 |
11 | 12214a07266 |
12 | 60429060b1 |
13 | 2c1a3b89b6 |
14 | 1711a8bbc9 |
15 | c213314a1 |
hex | 73e507505 |
31110231301 has 4 divisors (see below), whose sum is σ = 31110645600. Its totient is φ = 31109817004.
The previous prime is 31110231287. The next prime is 31110231307. The reversal of 31110231301 is 10313201113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31110231301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31110231307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59371 + ... + 256408.
It is an arithmetic number, because the mean of its divisors is an integer number (7777661400).
Almost surely, 231110231301 is an apocalyptic number.
It is an amenable number.
31110231301 is a deficient number, since it is larger than the sum of its proper divisors (414299).
31110231301 is an equidigital number, since it uses as much as digits as its factorization.
31110231301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414298.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31110231301 its reverse (10313201113), we get a palindrome (41423432414).
The spelling of 31110231301 in words is "thirty-one billion, one hundred ten million, two hundred thirty-one thousand, three hundred one".
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