Base | Representation |
---|---|
bin | 11100111000000000… |
… | …000001110001001011 |
3 | 2222000202001202021201 |
4 | 130320000001301023 |
5 | 1001444100134121 |
6 | 22124305445031 |
7 | 2145213136135 |
oct | 347000016113 |
9 | 88022052251 |
10 | 31004302411 |
11 | 12170136325 |
12 | 6013340777 |
13 | 2c0147a694 |
14 | 1701996055 |
15 | c16da9e91 |
hex | 738001c4b |
31004302411 has 4 divisors (see below), whose sum is σ = 31005158800. Its totient is φ = 31003446024.
The previous prime is 31004302349. The next prime is 31004302493. The reversal of 31004302411 is 11420340013.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11420340013 = 19 ⋅601070527.
It is a cyclic number.
It is not a de Polignac number, because 31004302411 - 213 = 31004294219 is a prime.
It is a super-2 number, since 2×310043024112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31004302711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371376 + ... + 447133.
It is an arithmetic number, because the mean of its divisors is an integer number (7751289700).
Almost surely, 231004302411 is an apocalyptic number.
31004302411 is a deficient number, since it is larger than the sum of its proper divisors (856389).
31004302411 is an equidigital number, since it uses as much as digits as its factorization.
31004302411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 856388.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 31004302411 its reverse (11420340013), we get a palindrome (42424642424).
The spelling of 31004302411 in words is "thirty-one billion, four million, three hundred two thousand, four hundred eleven".
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