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1422331931 is a prime number
BaseRepresentation
bin101010011000111…
…0001000000011011
310200010100221121102
41110301301000123
510403104110211
6353045302015
750150423216
oct12461610033
93603327542
101422331931
1166a962039
1233840490b
1319889a437
14d6c8677d
1584d06a3b
hex54c7101b

1422331931 has 2 divisors, whose sum is σ = 1422331932. Its totient is φ = 1422331930.

The previous prime is 1422331913. The next prime is 1422331951. The reversal of 1422331931 is 1391332241.

Together with previous prime (1422331913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422331931 is a prime.

It is a super-2 number, since 2×14223319312 = 4046056243884377522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422331894 and 1422331903.

It is not a weakly prime, because it can be changed into another prime (1422331901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711165965 + 711165966.

It is an arithmetic number, because the mean of its divisors is an integer number (711165966).

It is a self-describing number.

Almost surely, 21422331931 is an apocalyptic number.

1422331931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422331931 is an equidigital number, since it uses as much as digits as its factorization.

1422331931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1422331931 is about 37713.8161818716. The cubic root of 1422331931 is about 1124.6058025651.

The spelling of 1422331931 in words is "one billion, four hundred twenty-two million, three hundred thirty-one thousand, nine hundred thirty-one".