Base | Representation |
---|---|
bin | 11101001001101000… |
… | …011111011001101011 |
3 | 2222210100200221202220 |
4 | 131021220133121223 |
5 | 1003100312402334 |
6 | 22213514125123 |
7 | 2155434435432 |
oct | 351150373153 |
9 | 88710627686 |
10 | 31300122219 |
11 | 12302115103 |
12 | 60964207a3 |
13 | 2c4a8438a2 |
14 | 172cd9c119 |
15 | c32d40449 |
hex | 749a1f66b |
31300122219 has 4 divisors (see below), whose sum is σ = 41733496296. Its totient is φ = 20866748144.
The previous prime is 31300122199. The next prime is 31300122223. The reversal of 31300122219 is 91222100313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 31300122219 - 211 = 31300120171 is a prime.
It is a super-2 number, since 2×313001222192 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31300122239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216687034 + ... + 5216687039.
It is an arithmetic number, because the mean of its divisors is an integer number (10433374074).
Almost surely, 231300122219 is an apocalyptic number.
31300122219 is a deficient number, since it is larger than the sum of its proper divisors (10433374077).
31300122219 is a wasteful number, since it uses less digits than its factorization.
31300122219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10433374076.
The product of its (nonzero) digits is 648, while the sum is 24.
The spelling of 31300122219 in words is "thirty-one billion, three hundred million, one hundred twenty-two thousand, two hundred nineteen".
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