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30322221431 is a prime number
BaseRepresentation
bin11100001111010110…
…000110000101110111
32220021012121110002012
4130033112012011313
5444044442041211
621532502234435
72122261425635
oct341726060567
986235543065
1030322221431
1111950115837
125a62a25a1b
132b23073478
141679164355
15bc7076d8b
hex70f586177

30322221431 has 2 divisors, whose sum is σ = 30322221432. Its totient is φ = 30322221430.

The previous prime is 30322221407. The next prime is 30322221451. The reversal of 30322221431 is 13412222303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30322221431 is a prime.

It is a super-2 number, since 2×303222214312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30322221397 and 30322221406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30322221451) 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, 15161110715 + 15161110716.

It is an arithmetic number, because the mean of its divisors is an integer number (15161110716).

Almost surely, 230322221431 is an apocalyptic number.

30322221431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30322221431 is an equidigital number, since it uses as much as digits as its factorization.

30322221431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30322221431 its reverse (13412222303), we get a palindrome (43734443734).

The spelling of 30322221431 in words is "thirty billion, three hundred twenty-two million, two hundred twenty-one thousand, four hundred thirty-one".