Base | Representation |
---|---|
bin | 11100111111000001… |
… | …000001000100111001 |
3 | 2222022221112112002101 |
4 | 130333001001010321 |
5 | 1002214213032413 |
6 | 22144112303401 |
7 | 2151142440250 |
oct | 347701010471 |
9 | 88287475071 |
10 | 31122002233 |
11 | 12220616a03 |
12 | 6046841b61 |
13 | 2c1c97a64a |
14 | 1713473797 |
15 | c223a8edd |
hex | 73f041139 |
31122002233 has 8 divisors (see below), whose sum is σ = 35570140352. Its totient is φ = 26674398576.
The previous prime is 31122002231. The next prime is 31122002273. The reversal of 31122002233 is 33220022113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31122002233 - 21 = 31122002231 is a prime.
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 31122002233.
It is not an unprimeable number, because it can be changed into a prime (31122002231) 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, 91 + ... + 249487.
It is an arithmetic number, because the mean of its divisors is an integer number (4446267544).
Almost surely, 231122002233 is an apocalyptic number.
It is an amenable number.
31122002233 is a deficient number, since it is larger than the sum of its proper divisors (4448138119).
31122002233 is a wasteful number, since it uses less digits than its factorization.
31122002233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267231.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 31122002233 its reverse (33220022113), we get a palindrome (64342024346).
The spelling of 31122002233 in words is "thirty-one billion, one hundred twenty-two million, two thousand, two hundred thirty-three".
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