Base | Representation |
---|---|
bin | 111011011001… |
… | …0110111001011 |
3 | 2011121010212100 |
4 | 1312302313023 |
5 | 30433010243 |
6 | 3031244443 |
7 | 525461013 |
oct | 166626713 |
9 | 64533770 |
10 | 31141323 |
11 | 1663aa34 |
12 | a519723 |
13 | 65b4625 |
14 | 41c8c43 |
15 | 2b020d3 |
hex | 1db2dcb |
31141323 has 24 divisors (see below), whose sum is σ = 47595600. Its totient is φ = 19566144.
The previous prime is 31141303. The next prime is 31141339. The reversal of 31141323 is 32314113.
It is not a de Polignac number, because 31141323 - 25 = 31141291 is a prime.
It is a super-3 number, since 3×311413233 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31141296 and 31141305.
It is not an unprimeable number, because it can be changed into a prime (31141303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45661 + ... + 46337.
It is an arithmetic number, because the mean of its divisors is an integer number (1983150).
Almost surely, 231141323 is an apocalyptic number.
31141323 is a deficient number, since it is larger than the sum of its proper divisors (16454277).
31141323 is a wasteful number, since it uses less digits than its factorization.
31141323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 971 (or 968 counting only the distinct ones).
The product of its digits is 216, while the sum is 18.
The square root of 31141323 is about 5580.4411115968. The cubic root of 31141323 is about 314.6147065456.
Adding to 31141323 its reverse (32314113), we get a palindrome (63455436).
The spelling of 31141323 in words is "thirty-one million, one hundred forty-one thousand, three hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •