Base | Representation |
---|---|
bin | 1001101001000111100… |
… | …00001000001111100111 |
3 | 1011200011201112201201010 |
4 | 10310203300020033213 |
5 | 20412011422113111 |
6 | 412111444233303 |
7 | 32636141043615 |
oct | 4644360101747 |
9 | 1150151481633 |
10 | 331312301031 |
11 | 11856617a538 |
12 | 5426399b833 |
13 | 2532004799a |
14 | 1206d9906b5 |
15 | 8941607aa6 |
hex | 4d23c083e7 |
331312301031 has 8 divisors (see below), whose sum is σ = 442145217904. Its totient is φ = 220677125760.
The previous prime is 331312301029. The next prime is 331312301059. The reversal of 331312301031 is 130103213133.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 331312301031 - 21 = 331312301029 is a prime.
It is a super-2 number, since 2×3313123010312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 331312300989 and 331312301007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331312301531) 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, 49431490 + ... + 49438191.
It is an arithmetic number, because the mean of its divisors is an integer number (55268152238).
Almost surely, 2331312301031 is an apocalyptic number.
331312301031 is a deficient number, since it is larger than the sum of its proper divisors (110832916873).
331312301031 is a wasteful number, since it uses less digits than its factorization.
331312301031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98870801.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 331312301031 its reverse (130103213133), we get a palindrome (461415514164).
The spelling of 331312301031 in words is "three hundred thirty-one billion, three hundred twelve million, three hundred one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •