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1042106431 is a prime number
BaseRepresentation
bin111110000111010…
…100100000111111
32200121220111021111
4332013110200333
54113234401211
6251223542451
734552521112
oct7607244077
92617814244
101042106431
11495272a93
12250bbaa27
13137b90732
149c58c579
156174c421
hex3e1d483f

1042106431 has 2 divisors, whose sum is σ = 1042106432. Its totient is φ = 1042106430.

The previous prime is 1042106399. The next prime is 1042106437. The reversal of 1042106431 is 1346012401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1346012401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042106431 - 25 = 1042106399 is a prime.

It is a super-2 number, since 2×10421064312 = 2171971627063115522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042106437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521053215 + 521053216.

It is an arithmetic number, because the mean of its divisors is an integer number (521053216).

Almost surely, 21042106431 is an apocalyptic number.

1042106431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042106431 is an equidigital number, since it uses as much as digits as its factorization.

1042106431 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 22.

The square root of 1042106431 is about 32281.6732992576. The cubic root of 1042106431 is about 1013.8429650859.

Adding to 1042106431 its reverse (1346012401), we get a palindrome (2388118832).

The spelling of 1042106431 in words is "one billion, forty-two million, one hundred six thousand, four hundred thirty-one".