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31030300302997 is a prime number
BaseRepresentation
bin1110000111000110011100…
…00001101101111010010101
311001212110121222111001121111
413003203032001231322111
513031400023334143442
6145555042334215021
76351602524435102
oct703431601557225
9131773558431544
1031030300302997
119983970621076
123591a68954471
1314411b6075858
14793c35a8daa9
1538c2816d7b17
hex1c38ce06de95

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".