Base | Representation |
---|---|
bin | 10101101101100100… |
… | …100010100111111111 |
3 | 2020011201202210222111 |
4 | 111231210202213333 |
5 | 340221130211111 |
6 | 14413201154451 |
7 | 1453502231650 |
oct | 255544424777 |
9 | 66151683874 |
10 | 23313132031 |
11 | 9983723172 |
12 | 462762ba27 |
13 | 2276c072a7 |
14 | 11b231d527 |
15 | 916a64a21 |
hex | 56d9229ff |
23313132031 has 32 divisors (see below), whose sum is σ = 28287221760. Its totient is φ = 18768679776.
The previous prime is 23313132001. The next prime is 23313132067. The reversal of 23313132031 is 13023131332.
It is not a de Polignac number, because 23313132031 - 213 = 23313123839 is a prime.
It is a super-2 number, since 2×233131320312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23313131993 and 23313132011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23313132001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10282560 + ... + 10284826.
It is an arithmetic number, because the mean of its divisors is an integer number (883975680).
Almost surely, 223313132031 is an apocalyptic number.
23313132031 is a deficient number, since it is larger than the sum of its proper divisors (4974089729).
23313132031 is a wasteful number, since it uses less digits than its factorization.
23313132031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2923.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 23313132031 its reverse (13023131332), we get a palindrome (36336263363).
The spelling of 23313132031 in words is "twenty-three billion, three hundred thirteen million, one hundred thirty-two thousand, thirty-one".
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