Base | Representation |
---|---|
bin | 1001101000100110000… |
… | …11010111001010110111 |
3 | 1011122110012100120121211 |
4 | 10310103003113022313 |
5 | 20410423211131411 |
6 | 412023555222251 |
7 | 32626166452255 |
oct | 4642303271267 |
9 | 1148405316554 |
10 | 331032130231 |
11 | 11843200a020 |
12 | 541a5ba7987 |
13 | 252a6ca064a |
14 | 1204469d5d5 |
15 | 8926c14221 |
hex | 4d130d72b7 |
331032130231 has 8 divisors (see below), whose sum is σ = 364632038784. Its totient is φ = 298016568120.
The previous prime is 331032130223. The next prime is 331032130241. The reversal of 331032130231 is 132031230133.
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 331032130231 - 23 = 331032130223 is a prime.
It is a super-2 number, since 2×3310321302312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331032130241) 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, 146085421 + ... + 146087686.
It is an arithmetic number, because the mean of its divisors is an integer number (45579004848).
Almost surely, 2331032130231 is an apocalyptic number.
331032130231 is a deficient number, since it is larger than the sum of its proper divisors (33599908553).
331032130231 is a wasteful number, since it uses less digits than its factorization.
331032130231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292173221.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 331032130231 its reverse (132031230133), we get a palindrome (463063360364).
The spelling of 331032130231 in words is "three hundred thirty-one billion, thirty-two million, one hundred thirty thousand, two hundred thirty-one".
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