Base | Representation |
---|---|
bin | 11100111001101010… |
… | …000101000001101111 |
3 | 2222002200101011120000 |
4 | 130321222011001233 |
5 | 1002023204244043 |
6 | 22131141355343 |
7 | 2146001344365 |
oct | 347152050157 |
9 | 88080334500 |
10 | 31032103023 |
11 | 121848a4339 |
12 | 6020708b53 |
13 | 2c0716254c |
14 | 1705551635 |
15 | c1954c2d3 |
hex | 739a8506f |
31032103023 has 40 divisors (see below), whose sum is σ = 46680650016. Its totient is φ = 20543803200.
The previous prime is 31032102989. The next prime is 31032103027. The reversal of 31032103023 is 32030123013.
31032103023 is a `hidden beast` number, since 310 + 321 + 0 + 30 + 2 + 3 = 666.
It is not a de Polignac number, because 31032103023 - 210 = 31032101999 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31032102987 and 31032103005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31032103027) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15114465 + ... + 15116517.
Almost surely, 231032103023 is an apocalyptic number.
31032103023 is a deficient number, since it is larger than the sum of its proper divisors (15648546993).
31032103023 is a wasteful number, since it uses less digits than its factorization.
31032103023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3277 (or 3268 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 31032103023 its reverse (32030123013), we get a palindrome (63062226036).
The spelling of 31032103023 in words is "thirty-one billion, thirty-two million, one hundred three thousand, twenty-three".
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