Base | Representation |
---|---|
bin | 11101010001101011… |
… | …000001011000110011 |
3 | 10000010202111122000210 |
4 | 131101223001120303 |
5 | 1003334330102233 |
6 | 22235133115203 |
7 | 2161663056234 |
oct | 352153013063 |
9 | 100122448023 |
10 | 31435003443 |
11 | 12371270398 |
12 | 6113628b03 |
13 | 2c6c77b06c |
14 | 1742c6d08b |
15 | c3ead5163 |
hex | 751ac1633 |
31435003443 has 16 divisors (see below), whose sum is σ = 42487639040. Its totient is φ = 20671244064.
The previous prime is 31435003427. The next prime is 31435003477. The reversal of 31435003443 is 34430053413.
It is not a de Polignac number, because 31435003443 - 24 = 31435003427 is a prime.
It is a super-3 number, since 3×314350034433 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31435003443.
It is not an unprimeable number, because it can be changed into a prime (31435003643) 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 15 ways as a sum of consecutive naturals, for example, 142621 + ... + 288462.
It is an arithmetic number, because the mean of its divisors is an integer number (2655477440).
Almost surely, 231435003443 is an apocalyptic number.
31435003443 is a deficient number, since it is larger than the sum of its proper divisors (11052635597).
31435003443 is a wasteful number, since it uses less digits than its factorization.
31435003443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431418.
The product of its (nonzero) digits is 25920, while the sum is 30.
Adding to 31435003443 its reverse (34430053413), we get a palindrome (65865056856).
The spelling of 31435003443 in words is "thirty-one billion, four hundred thirty-five million, three thousand, four hundred forty-three".
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