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103020332981 is a prime number
BaseRepresentation
bin101111111110001111…
…1011000011110110101
3100211220122221011012012
41133330133120132311
53141441201123411
6115154335134005
710304640245006
oct1377437303665
9324818834165
10103020332981
113a766323a65
1217b71374305
13993a492b17
144db423b1ad
152a2e49818b
hex17fc7d87b5

103020332981 has 2 divisors, whose sum is σ = 103020332982. Its totient is φ = 103020332980.

The previous prime is 103020332929. The next prime is 103020333023. The reversal of 103020332981 is 189233020301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80661112081 + 22359220900 = 284009^2 + 149530^2 .

It is a cyclic number.

It is not a de Polignac number, because 103020332981 - 218 = 103020070837 is a prime.

It is a super-2 number, since 2×1030203329812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103020332881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510166490 + 51510166491.

It is an arithmetic number, because the mean of its divisors is an integer number (51510166491).

Almost surely, 2103020332981 is an apocalyptic number.

It is an amenable number.

103020332981 is a deficient number, since it is larger than the sum of its proper divisors (1).

103020332981 is an equidigital number, since it uses as much as digits as its factorization.

103020332981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 103020332981 in words is "one hundred three billion, twenty million, three hundred thirty-two thousand, nine hundred eighty-one".