Base | Representation |
---|---|
bin | 1110000111000110011100… |
… | …00001101101111010010101 |
3 | 11001212110121222111001121111 |
4 | 13003203032001231322111 |
5 | 13031400023334143442 |
6 | 145555042334215021 |
7 | 6351602524435102 |
oct | 703431601557225 |
9 | 131773558431544 |
10 | 31030300302997 |
11 | 9983970621076 |
12 | 3591a68954471 |
13 | 14411b6075858 |
14 | 793c35a8daa9 |
15 | 38c2816d7b17 |
hex | 1c38ce06de95 |
31030300302997 has 2 divisors, whose sum is σ = 31030300302998. Its totient is φ = 31030300302996.
The previous prime is 31030300302949. The next prime is 31030300303003. The reversal of 31030300302997 is 79920300303013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17126693910481 + 13903606392516 = 4138441^2 + 3728754^2 .
It is a cyclic number.
It is not a de Polignac number, because 31030300302997 - 235 = 30995940564629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31030300302497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515150151498 + 15515150151499.
It is an arithmetic number, because the mean of its divisors is an integer number (15515150151499).
Almost surely, 231030300302997 is an apocalyptic number.
It is an amenable number.
31030300302997 is a deficient number, since it is larger than the sum of its proper divisors (1).
31030300302997 is an equidigital number, since it uses as much as digits as its factorization.
31030300302997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 91854, while the sum is 40.
The spelling of 31030300302997 in words is "thirty-one trillion, thirty billion, three hundred million, three hundred two thousand, nine hundred ninety-seven".
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