Base | Representation |
---|---|
bin | 11101001100001000… |
… | …010010101011001100 |
3 | 2222220021112020022012 |
4 | 131030020102223030 |
5 | 1003142023410012 |
6 | 22222012040352 |
7 | 2156453500403 |
oct | 351410225314 |
9 | 88807466265 |
10 | 31342013132 |
11 | 123238273a1 |
12 | 60a84630b8 |
13 | 2c56420001 |
14 | 173478463a |
15 | c36867622 |
hex | 74c212acc |
31342013132 has 24 divisors (see below), whose sum is σ = 56348829264. Its totient is φ = 15242617152.
The previous prime is 31342013041. The next prime is 31342013189. The reversal of 31342013132 is 23131024313.
It is a junction number, because it is equal to n+sod(n) for n = 31342013098 and 31342013107.
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, 457418 + ... + 521454.
It is an arithmetic number, because the mean of its divisors is an integer number (2347867886).
Almost surely, 231342013132 is an apocalyptic number.
It is an amenable number.
31342013132 is a deficient number, since it is larger than the sum of its proper divisors (25006816132).
31342013132 is a wasteful number, since it uses less digits than its factorization.
31342013132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67385 (or 67383 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31342013132 its reverse (23131024313), we get a palindrome (54473037445).
The spelling of 31342013132 in words is "thirty-one billion, three hundred forty-two million, thirteen thousand, one hundred thirty-two".
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