Base | Representation |
---|---|
bin | 10010101101111… |
… | …001010010100111 |
3 | 210212212220212120 |
4 | 102231321102213 |
5 | 1120342133111 |
6 | 51054321023 |
7 | 10532064132 |
oct | 2255712247 |
9 | 725786776 |
10 | 314021031 |
11 | 151290715 |
12 | 891b9173 |
13 | 5009997c |
14 | 2d9c3219 |
15 | 1c87d406 |
hex | 12b794a7 |
314021031 has 4 divisors (see below), whose sum is σ = 418694712. Its totient is φ = 209347352.
The previous prime is 314021023. The next prime is 314021051. The reversal of 314021031 is 130120413.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130120413 = 3 ⋅43373471.
It is a cyclic number.
It is not a de Polignac number, because 314021031 - 23 = 314021023 is a prime.
It is a super-2 number, since 2×3140210312 = 197218415820605922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 314021031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (314021051) 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, 52336836 + ... + 52336841.
It is an arithmetic number, because the mean of its divisors is an integer number (104673678).
Almost surely, 2314021031 is an apocalyptic number.
314021031 is a deficient number, since it is larger than the sum of its proper divisors (104673681).
314021031 is a wasteful number, since it uses less digits than its factorization.
314021031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104673680.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 314021031 is about 17720.6385607291. The cubic root of 314021031 is about 679.7036129048.
Adding to 314021031 its reverse (130120413), we get a palindrome (444141444).
The spelling of 314021031 in words is "three hundred fourteen million, twenty-one thousand, thirty-one".
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