Base | Representation |
---|---|
bin | 11100111001101101… |
… | …100111110101001011 |
3 | 2222002202010100212222 |
4 | 130321231213311023 |
5 | 1002023424011021 |
6 | 22131213324255 |
7 | 2146012263662 |
oct | 347155476513 |
9 | 88082110788 |
10 | 31033032011 |
11 | 121853792a3 |
12 | 6020a9668b |
13 | 2c073c9347 |
14 | 1705713dd9 |
15 | c196826ab |
hex | 739b67d4b |
31033032011 has 8 divisors (see below), whose sum is σ = 31098525360. Its totient is φ = 30967608672.
The previous prime is 31033031999. The next prime is 31033032073. The reversal of 31033032011 is 11023033013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31033032011 - 230 = 29959290187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31033037011) 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, 922361 + ... + 955413.
It is an arithmetic number, because the mean of its divisors is an integer number (3887315670).
Almost surely, 231033032011 is an apocalyptic number.
31033032011 is a deficient number, since it is larger than the sum of its proper divisors (65493349).
31033032011 is a wasteful number, since it uses less digits than its factorization.
31033032011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35005.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 31033032011 its reverse (11023033013), we get a palindrome (42056065024).
The spelling of 31033032011 in words is "thirty-one billion, thirty-three million, thirty-two thousand, eleven".
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