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30032311237 is a prime number
BaseRepresentation
bin11011111110000100…
…001011001111000101
32212112000002111001121
4123332010023033011
5443001232424422
621444024353541
72112141301465
oct337604131705
985460074047
1030032311237
1111811502a35
1259a19158b1
132aa7c99086
14164c859ba5
15bab8ac8c7
hex6fe10b3c5

30032311237 has 2 divisors, whose sum is σ = 30032311238. Its totient is φ = 30032311236.

The previous prime is 30032311147. The next prime is 30032311247. The reversal of 30032311237 is 73211323003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19256002756 + 10776308481 = 138766^2 + 103809^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032311237 - 215 = 30032278469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30032311247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016155618 + 15016155619.

It is an arithmetic number, because the mean of its divisors is an integer number (15016155619).

Almost surely, 230032311237 is an apocalyptic number.

It is an amenable number.

30032311237 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032311237 is an equidigital number, since it uses as much as digits as its factorization.

30032311237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The spelling of 30032311237 in words is "thirty billion, thirty-two million, three hundred eleven thousand, two hundred thirty-seven".