Base | Representation |
---|---|
bin | 11101010001100111… |
… | …010001010111011011 |
3 | 10000010200122200102122 |
4 | 131101213101113123 |
5 | 1003334102122230 |
6 | 22235100051455 |
7 | 2161651523045 |
oct | 352147212733 |
9 | 100120580378 |
10 | 31434020315 |
11 | 12370759795 |
12 | 6113233b8b |
13 | 2c6c4c5729 |
14 | 1742a94a95 |
15 | c3e98dbe5 |
hex | 7519d15db |
31434020315 has 8 divisors (see below), whose sum is σ = 39021542640. Its totient is φ = 24280070752.
The previous prime is 31434020281. The next prime is 31434020333. The reversal of 31434020315 is 51302043413.
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 31434020315 - 230 = 30360278491 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108393029 + ... + 108393318.
It is an arithmetic number, because the mean of its divisors is an integer number (4877692830).
Almost surely, 231434020315 is an apocalyptic number.
31434020315 is a deficient number, since it is larger than the sum of its proper divisors (7587522325).
31434020315 is a wasteful number, since it uses less digits than its factorization.
31434020315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216786381.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 31434020315 its reverse (51302043413), we get a palindrome (82736063728).
The spelling of 31434020315 in words is "thirty-one billion, four hundred thirty-four million, twenty thousand, three hundred fifteen".
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