Base | Representation |
---|---|
bin | 11100111001100011… |
… | …101111000111011011 |
3 | 2222002120020200212210 |
4 | 130321203233013123 |
5 | 1002022243043121 |
6 | 22131042010203 |
7 | 2145651251205 |
oct | 347143570733 |
9 | 88076220783 |
10 | 31030440411 |
11 | 12183969183 |
12 | 6020046963 |
13 | 2c069cc859 |
14 | 170523b775 |
15 | c1931e876 |
hex | 7398ef1db |
31030440411 has 8 divisors (see below), whose sum is σ = 41559454720. Its totient is φ = 20594193192.
The previous prime is 31030440403. The next prime is 31030440437. The reversal of 31030440411 is 11404403013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31030440411 - 23 = 31030440403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31030440401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23190991 + ... + 23192328.
It is an arithmetic number, because the mean of its divisors is an integer number (5194931840).
Almost surely, 231030440411 is an apocalyptic number.
31030440411 is a deficient number, since it is larger than the sum of its proper divisors (10529014309).
31030440411 is a wasteful number, since it uses less digits than its factorization.
31030440411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46383545.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 31030440411 its reverse (11404403013), we get a palindrome (42434843424).
The spelling of 31030440411 in words is "thirty-one billion, thirty million, four hundred forty thousand, four hundred eleven".
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