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30345411331 is a prime number
BaseRepresentation
bin11100010000101110…
…100011101100000011
32220022211020121122101
4130100232203230003
5444121411130311
621535051251231
72122662511654
oct342056435403
986284217571
1030345411331
1111962214744
125a6a749b17
132b27b027c1
14167c27d52b
15bc9107ec1
hex710ba3b03

30345411331 has 2 divisors, whose sum is σ = 30345411332. Its totient is φ = 30345411330.

The previous prime is 30345411311. The next prime is 30345411359. The reversal of 30345411331 is 13311454303.

It is an a-pointer prime, because the next prime (30345411359) can be obtained adding 30345411331 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30345411331 - 27 = 30345411203 is a prime.

It is a super-2 number, since 2×303454113312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30345411331.

It is not a weakly prime, because it can be changed into another prime (30345411311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172705665 + 15172705666.

It is an arithmetic number, because the mean of its divisors is an integer number (15172705666).

Almost surely, 230345411331 is an apocalyptic number.

30345411331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345411331 is an equidigital number, since it uses as much as digits as its factorization.

30345411331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 30345411331 its reverse (13311454303), we get a palindrome (43656865634).

The spelling of 30345411331 in words is "thirty billion, three hundred forty-five million, four hundred eleven thousand, three hundred thirty-one".