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30774351331 is a prime number
BaseRepresentation
bin11100101010010010…
…110101010111100011
32221102201101000201001
4130222102311113203
51001011213220311
622045413052431
72136421445623
oct345222652743
987381330631
1030774351331
1112062356709
125b6a327117
132b95937759
1416bd218883
15c01ad64c1
hex72a4b55e3

30774351331 has 2 divisors, whose sum is σ = 30774351332. Its totient is φ = 30774351330.

The previous prime is 30774351323. The next prime is 30774351347. The reversal of 30774351331 is 13315347703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30774351331 - 23 = 30774351323 is a prime.

It is a super-2 number, since 2×307743513312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30774351431) 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, 15387175665 + 15387175666.

It is an arithmetic number, because the mean of its divisors is an integer number (15387175666).

Almost surely, 230774351331 is an apocalyptic number.

30774351331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30774351331 is an equidigital number, since it uses as much as digits as its factorization.

30774351331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 37.

The spelling of 30774351331 in words is "thirty billion, seven hundred seventy-four million, three hundred fifty-one thousand, three hundred thirty-one".