Base | Representation |
---|---|
bin | 11101010000111001… |
… | …011101011110110011 |
3 | 10000002212001120011212 |
4 | 131100321131132303 |
5 | 1003323013330230 |
6 | 22233550430335 |
7 | 2161444455302 |
oct | 352071353663 |
9 | 100085046155 |
10 | 31422011315 |
11 | 123649a71a2 |
12 | 610b2023ab |
13 | 2c69b7c606 |
14 | 174124a439 |
15 | c3d8ba895 |
hex | 750e5d7b3 |
31422011315 has 16 divisors (see below), whose sum is σ = 39448608768. Its totient is φ = 23981856096.
The previous prime is 31422011293. The next prime is 31422011329. The reversal of 31422011315 is 51311022413.
It is a cyclic number.
It is not a de Polignac number, because 31422011315 - 218 = 31421749171 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312659 + ... + 400748.
It is an arithmetic number, because the mean of its divisors is an integer number (2465538048).
Almost surely, 231422011315 is an apocalyptic number.
31422011315 is a deficient number, since it is larger than the sum of its proper divisors (8026597453).
31422011315 is a wasteful number, since it uses less digits than its factorization.
31422011315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 713818.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 31422011315 its reverse (51311022413), we get a palindrome (82733033728).
The spelling of 31422011315 in words is "thirty-one billion, four hundred twenty-two million, eleven thousand, three hundred fifteen".
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