Base | Representation |
---|---|
bin | 11101001010111111… |
… | …110011010111010010 |
3 | 2222211221202210121112 |
4 | 131022333303113102 |
5 | 1003122142314024 |
6 | 22220052453322 |
7 | 2156133124235 |
oct | 351277632722 |
9 | 88757683545 |
10 | 31323010514 |
11 | 12314028454 |
12 | 60a201a242 |
13 | 2c524c8863 |
14 | 173203941c |
15 | c34d6200e |
hex | 74aff35d2 |
31323010514 has 8 divisors (see below), whose sum is σ = 48500145408. Its totient is φ = 15156295380.
The previous prime is 31323010513. The next prime is 31323010549. The reversal of 31323010514 is 41501032313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×313230105142 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31323010514.
It is not an unprimeable number, because it can be changed into a prime (31323010513) 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, 252604862 + ... + 252604985.
It is an arithmetic number, because the mean of its divisors is an integer number (6062518176).
Almost surely, 231323010514 is an apocalyptic number.
31323010514 is a deficient number, since it is larger than the sum of its proper divisors (17177134894).
31323010514 is a wasteful number, since it uses less digits than its factorization.
31323010514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505209880.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 31323010514 its reverse (41501032313), we get a palindrome (72824042827).
The spelling of 31323010514 in words is "thirty-one billion, three hundred twenty-three million, ten thousand, five hundred fourteen".
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