Base | Representation |
---|---|
bin | 11100111111100000… |
… | …110000010110010011 |
3 | 2222100112012020002212 |
4 | 130333200300112103 |
5 | 1002223330303243 |
6 | 22145010502335 |
7 | 2151303242132 |
oct | 347740602623 |
9 | 88315166085 |
10 | 31130322323 |
11 | 12225289a11 |
12 | 60495949ab |
13 | 2c21601689 |
14 | 17145db919 |
15 | c22e9e318 |
hex | 73f830593 |
31130322323 has 8 divisors (see below), whose sum is σ = 32817464400. Its totient is φ = 29448050688.
The previous prime is 31130322299. The next prime is 31130322343. The reversal of 31130322323 is 32322303113.
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 31130322323 - 224 = 31113545107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31130322343) 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, 1204478 + ... + 1230051.
It is an arithmetic number, because the mean of its divisors is an integer number (4102183050).
Almost surely, 231130322323 is an apocalyptic number.
31130322323 is a deficient number, since it is larger than the sum of its proper divisors (1687142077).
31130322323 is a wasteful number, since it uses less digits than its factorization.
31130322323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2435221.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 31130322323 its reverse (32322303113), we get a palindrome (63452625436).
The spelling of 31130322323 in words is "thirty-one billion, one hundred thirty million, three hundred twenty-two thousand, three hundred twenty-three".
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