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1042222331 is a prime number
BaseRepresentation
bin111110000111110…
…000110011111011
32200122010101021002
4332013300303323
54113302103311
6251230235215
734553513033
oct7607606373
92618111232
101042222331
11495342077
12251055b0b
13137c01407
149c5bc8c3
156177193b
hex3e1f0cfb

1042222331 has 2 divisors, whose sum is σ = 1042222332. Its totient is φ = 1042222330.

The previous prime is 1042222297. The next prime is 1042222343. The reversal of 1042222331 is 1332222401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042222331 - 218 = 1041960187 is a prime.

It is a super-2 number, since 2×10422223312 = 2172454774470147122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042222351) 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, 521111165 + 521111166.

It is an arithmetic number, because the mean of its divisors is an integer number (521111166).

Almost surely, 21042222331 is an apocalyptic number.

1042222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042222331 is an equidigital number, since it uses as much as digits as its factorization.

1042222331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1042222331 is about 32283.4683855375. The cubic root of 1042222331 is about 1013.8805492328.

Adding to 1042222331 its reverse (1332222401), we get a palindrome (2374444732).

The spelling of 1042222331 in words is "one billion, forty-two million, two hundred twenty-two thousand, three hundred thirty-one".