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30231013331 is a prime number
BaseRepresentation
bin11100001001111010…
…001010011111010011
32220000211222121002102
4130021322022133103
5443403114411311
621515443311015
72120103242051
oct341172123723
986024877072
1030231013331
1111903689842
125a3837b46b
132b0a1ba68c
14166adc11d1
15bbe05c43b
hex709e8a7d3

30231013331 has 2 divisors, whose sum is σ = 30231013332. Its totient is φ = 30231013330.

The previous prime is 30231013301. The next prime is 30231013339. The reversal of 30231013331 is 13331013203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30231013331 is a prime.

It is a super-2 number, since 2×302310133312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30231013339) 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, 15115506665 + 15115506666.

It is an arithmetic number, because the mean of its divisors is an integer number (15115506666).

Almost surely, 230231013331 is an apocalyptic number.

30231013331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231013331 is an equidigital number, since it uses as much as digits as its factorization.

30231013331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30231013331 its reverse (13331013203), we get a palindrome (43562026534).

The spelling of 30231013331 in words is "thirty billion, two hundred thirty-one million, thirteen thousand, three hundred thirty-one".