Base | Representation |
---|---|
bin | 11101001010111100… |
… | …010101111000100100 |
3 | 2222211220001201012012 |
4 | 131022330111320210 |
5 | 1003121424301312 |
6 | 22220021213352 |
7 | 2156122325342 |
oct | 351274257044 |
9 | 88756051165 |
10 | 31322103332 |
11 | 12313568913 |
12 | 60a1861258 |
13 | 2c5226b970 |
14 | 1731c80992 |
15 | c34c33322 |
hex | 74af15e24 |
31322103332 has 24 divisors (see below), whose sum is σ = 59051829816. Its totient is φ = 14451038208.
The previous prime is 31322103331. The next prime is 31322103367. The reversal of 31322103332 is 23330122313.
It can be written as a sum of positive squares in 4 ways, for example, as 8356519396 + 22965583936 = 91414^2 + 151544^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31322103298 and 31322103307.
It is not an unprimeable number, because it can be changed into a prime (31322103331) 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, 33758 + ... + 252554.
It is an arithmetic number, because the mean of its divisors is an integer number (2460492909).
Almost surely, 231322103332 is an apocalyptic number.
It is an amenable number.
31322103332 is a deficient number, since it is larger than the sum of its proper divisors (27729726484).
31322103332 is a wasteful number, since it uses less digits than its factorization.
31322103332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221567 (or 221565 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 31322103332 its reverse (23330122313), we get a palindrome (54652225645).
The spelling of 31322103332 in words is "thirty-one billion, three hundred twenty-two million, one hundred three thousand, three hundred thirty-two".
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