Base | Representation |
---|---|
bin | 11100001110110010… |
… | …111011010000101111 |
3 | 2220020120021001102221 |
4 | 130032302323100233 |
5 | 444040112031111 |
6 | 21531532500211 |
7 | 2122120160134 |
oct | 341662732057 |
9 | 86216231387 |
10 | 30313002031 |
11 | 119459990a4 |
12 | 5a5b91a667 |
13 | 2b21195cc0 |
14 | 1677c4458b |
15 | bc6355371 |
hex | 70ecbb42f |
30313002031 has 8 divisors (see below), whose sum is σ = 32737254480. Its totient is φ = 27901961472.
The previous prime is 30313002023. The next prime is 30313002043. The reversal of 30313002031 is 13020031303.
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 30313002031 - 23 = 30313002023 is a prime.
It is a super-2 number, since 2×303130020312 (a number of 22 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 = 30313001996 and 30313002014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313002011) 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, 3298201 + ... + 3307378.
It is an arithmetic number, because the mean of its divisors is an integer number (4092156810).
Almost surely, 230313002031 is an apocalyptic number.
30313002031 is a deficient number, since it is larger than the sum of its proper divisors (2424252449).
30313002031 is a wasteful number, since it uses less digits than its factorization.
30313002031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6605945.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 30313002031 its reverse (13020031303), we get a palindrome (43333033334).
The spelling of 30313002031 in words is "thirty billion, three hundred thirteen million, two thousand, thirty-one".
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