Base | Representation |
---|---|
bin | 11101001010001110… |
… | …100011111000001110 |
3 | 2222211001110222111112 |
4 | 131022032203320032 |
5 | 1003110341231110 |
6 | 22214512052022 |
7 | 2155615322204 |
oct | 351216437016 |
9 | 88731428445 |
10 | 31310102030 |
11 | 12307811089 |
12 | 6099834012 |
13 | 2c4c9291bc |
14 | 1730439074 |
15 | c33b62405 |
hex | 74a3a3e0e |
31310102030 has 8 divisors (see below), whose sum is σ = 56358183672. Its totient is φ = 12524040808.
The previous prime is 31310102027. The next prime is 31310102059. The reversal of 31310102030 is 3020101313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31310101996 and 31310102014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565505092 + ... + 1565505111.
It is an arithmetic number, because the mean of its divisors is an integer number (7044772959).
Almost surely, 231310102030 is an apocalyptic number.
31310102030 is a deficient number, since it is larger than the sum of its proper divisors (25048081642).
31310102030 is a wasteful number, since it uses less digits than its factorization.
31310102030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3131010210.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31310102030 its reverse (3020101313), we get a palindrome (34330203343).
The spelling of 31310102030 in words is "thirty-one billion, three hundred ten million, one hundred two thousand, thirty".
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