Base | Representation |
---|---|
bin | 11101001001111000… |
… | …110100100111001001 |
3 | 2222210122202110110012 |
4 | 131021320310213021 |
5 | 1003102411402101 |
6 | 22214150001305 |
7 | 2155516016135 |
oct | 351170644711 |
9 | 88718673405 |
10 | 31304403401 |
11 | 12304579677 |
12 | 6097946235 |
13 | 2c4b6b242b |
14 | 172d7943c5 |
15 | c333d8bbb |
hex | 749e349c9 |
31304403401 has 8 divisors (see below), whose sum is σ = 33492201600. Its totient is φ = 29170625040.
The previous prime is 31304403379. The next prime is 31304403433. The reversal of 31304403401 is 10430440313.
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 31304403401 - 214 = 31304387017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31304403701) 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, 13503761 + ... + 13506078.
It is an arithmetic number, because the mean of its divisors is an integer number (4186525200).
Almost surely, 231304403401 is an apocalyptic number.
It is an amenable number.
31304403401 is a deficient number, since it is larger than the sum of its proper divisors (2187798199).
31304403401 is a wasteful number, since it uses less digits than its factorization.
31304403401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27009919.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 31304403401 its reverse (10430440313), we get a palindrome (41734843714).
The spelling of 31304403401 in words is "thirty-one billion, three hundred four million, four hundred three thousand, four hundred one".
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