Base | Representation |
---|---|
bin | 11100111000010110… |
… | …101001001011111000 |
3 | 2222001011012221211021 |
4 | 130320112221023320 |
5 | 1002002104343112 |
6 | 22125040512224 |
7 | 2145314420554 |
oct | 347026511370 |
9 | 88034187737 |
10 | 31010231032 |
11 | 12173515610 |
12 | 601531b674 |
13 | 2c02775041 |
14 | 170269a864 |
15 | c1767b907 |
hex | 7385a92f8 |
31010231032 has 32 divisors (see below), whose sum is σ = 63450903600. Its totient is φ = 14090918400.
The previous prime is 31010231027. The next prime is 31010231033. The reversal of 31010231032 is 23013201013.
It is a junction number, because it is equal to n+sod(n) for n = 31010230997 and 31010231015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010231033) 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, 218194 + ... + 331102.
Almost surely, 231010231032 is an apocalyptic number.
It is an amenable number.
31010231032 is an abundant number, since it is smaller than the sum of its proper divisors (32440672568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31010231032 is a wasteful number, since it uses less digits than its factorization.
31010231032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116047 (or 116043 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31010231032 its reverse (23013201013), we get a palindrome (54023432045).
The spelling of 31010231032 in words is "thirty-one billion, ten million, two hundred thirty-one thousand, thirty-two".
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