Base | Representation |
---|---|
bin | 11101001100110000… |
… | …101101111000001001 |
3 | 2222221000110121220101 |
4 | 131030300231320021 |
5 | 1003202232012223 |
6 | 22223031125401 |
7 | 2156642535103 |
oct | 351460557011 |
9 | 88830417811 |
10 | 31352610313 |
11 | 123298051a2 |
12 | 60abb13861 |
13 | 2c5869062b |
14 | 1735d42573 |
15 | c3775c4ad |
hex | 74cc2de09 |
31352610313 has 2 divisors, whose sum is σ = 31352610314. Its totient is φ = 31352610312.
The previous prime is 31352610307. The next prime is 31352610361. The reversal of 31352610313 is 31301625313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29488788729 + 1863821584 = 171723^2 + 43172^2 .
It is a cyclic number.
It is not a de Polignac number, because 31352610313 - 225 = 31319055881 is a prime.
It is not a weakly prime, because it can be changed into another prime (31352619313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15676305156 + 15676305157.
It is an arithmetic number, because the mean of its divisors is an integer number (15676305157).
Almost surely, 231352610313 is an apocalyptic number.
It is an amenable number.
31352610313 is a deficient number, since it is larger than the sum of its proper divisors (1).
31352610313 is an equidigital number, since it uses as much as digits as its factorization.
31352610313 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4860, while the sum is 28.
The spelling of 31352610313 in words is "thirty-one billion, three hundred fifty-two million, six hundred ten thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •