Base | Representation |
---|---|
bin | 1001000111010000001… |
… | …00000101101000100111 |
3 | 1002221020122021112001112 |
4 | 10203220010011220213 |
5 | 20112243020443304 |
6 | 355503404415235 |
7 | 31423451563646 |
oct | 4435004055047 |
9 | 1087218245045 |
10 | 313131031079 |
11 | 1108863382a9 |
12 | 5082ab4751b |
13 | 236b33ba499 |
14 | 1122705935d |
15 | 822a394b6e |
hex | 48e8105a27 |
313131031079 has 2 divisors, whose sum is σ = 313131031080. Its totient is φ = 313131031078.
The previous prime is 313131031027. The next prime is 313131031133. The reversal of 313131031079 is 970130131313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 313131031079 - 212 = 313131026983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (313131031579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156565515539 + 156565515540.
It is an arithmetic number, because the mean of its divisors is an integer number (156565515540).
Almost surely, 2313131031079 is an apocalyptic number.
313131031079 is a deficient number, since it is larger than the sum of its proper divisors (1).
313131031079 is an equidigital number, since it uses as much as digits as its factorization.
313131031079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5103, while the sum is 32.
The spelling of 313131031079 in words is "three hundred thirteen billion, one hundred thirty-one million, thirty-one thousand, seventy-nine".
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