Base | Representation |
---|---|
bin | 11101000100110110… |
… | …111101101110000101 |
3 | 2222120202222212101001 |
4 | 131010312331232011 |
5 | 1002414311432331 |
6 | 22201533333301 |
7 | 2153442610423 |
oct | 350466755605 |
9 | 88522885331 |
10 | 31220030341 |
11 | 12270990975 |
12 | 6073637231 |
13 | 2c37080746 |
14 | 17224b0113 |
15 | c2acbe561 |
hex | 744dbdb85 |
31220030341 has 16 divisors (see below), whose sum is σ = 33212773440. Its totient is φ = 29244832000.
The previous prime is 31220030339. The next prime is 31220030353. The reversal of 31220030341 is 14303002213.
It is a cyclic number.
It is not a de Polignac number, because 31220030341 - 21 = 31220030339 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 (31220030371) 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, 11003175 + ... + 11006011.
It is an arithmetic number, because the mean of its divisors is an integer number (2075798340).
Almost surely, 231220030341 is an apocalyptic number.
It is an amenable number.
31220030341 is a deficient number, since it is larger than the sum of its proper divisors (1992743099).
31220030341 is a wasteful number, since it uses less digits than its factorization.
31220030341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5684.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 31220030341 its reverse (14303002213), we get a palindrome (45523032554).
The spelling of 31220030341 in words is "thirty-one billion, two hundred twenty million, thirty thousand, three hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •