Base | Representation |
---|---|
bin | 11101000000101101… |
… | …100011011000101001 |
3 | 2222101221002001000010 |
4 | 131000231203120221 |
5 | 1002244004014223 |
6 | 22151010202133 |
7 | 2151636331026 |
oct | 350055433051 |
9 | 88357061003 |
10 | 31150454313 |
11 | 1223568a420 |
12 | 6054283349 |
13 | 2c2582cbb4 |
14 | 171715c54d |
15 | c24b29393 |
hex | 740b63629 |
31150454313 has 32 divisors (see below), whose sum is σ = 47756615040. Its totient is φ = 17884106240.
The previous prime is 31150454311. The next prime is 31150454341. The reversal of 31150454313 is 31345405113.
It is not a de Polignac number, because 31150454313 - 21 = 31150454311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31150454311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256356 + ... + 357797.
It is an arithmetic number, because the mean of its divisors is an integer number (1492394220).
Almost surely, 231150454313 is an apocalyptic number.
31150454313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
31150454313 is a deficient number, since it is larger than the sum of its proper divisors (16606160727).
31150454313 is a wasteful number, since it uses less digits than its factorization.
31150454313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 614249.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 31150454313 its reverse (31345405113), we get a palindrome (62495859426).
The spelling of 31150454313 in words is "thirty-one billion, one hundred fifty million, four hundred fifty-four thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •