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1031144422 = 27116695743
BaseRepresentation
bin111101011101100…
…000001111100110
32122212021120020011
4331131200033212
54102433110142
6250153000434
734360403650
oct7535401746
92585246204
101031144422
1148a066080
122493b311a
13135823039
149ad376d0
15607d4417
hex3d7603e6

1031144422 has 16 divisors (see below), whose sum is σ = 1928374272. Its totient is φ = 401744520.

The previous prime is 1031144407. The next prime is 1031144423. The reversal of 1031144422 is 2244411301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1031144393 and 1031144402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031144423) 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 in 7 ways as a sum of consecutive naturals, for example, 3347718 + ... + 3348025.

It is an arithmetic number, because the mean of its divisors is an integer number (120523392).

Almost surely, 21031144422 is an apocalyptic number.

1031144422 is a deficient number, since it is larger than the sum of its proper divisors (897229850).

1031144422 is a wasteful number, since it uses less digits than its factorization.

1031144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695763.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1031144422 is about 32111.4375573564. The cubic root of 1031144422 is about 1010.2755259151.

Adding to 1031144422 its reverse (2244411301), we get a palindrome (3275555723).

The spelling of 1031144422 in words is "one billion, thirty-one million, one hundred forty-four thousand, four hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 6695743 13391486 46870201 73653173 93740402 147306346 515572211 1031144422