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1031047053 = 32631306777
BaseRepresentation
bin111101011101001…
…000011110001101
32122212002121122220
4331131020132031
54102422001203
6250150525553
734356520041
oct7535103615
92585077586
101031047053
11489aa9a03
122493668b9
131357ba91a
149ad10021
15607b5653
hex3d74878d

1031047053 has 8 divisors (see below), whose sum is σ = 1379957568. Its totient is φ = 684750624.

The previous prime is 1031047051. The next prime is 1031047057. The reversal of 1031047053 is 3507401301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031047053 - 21 = 1031047051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031047051) 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, 652600 + ... + 654177.

It is an arithmetic number, because the mean of its divisors is an integer number (172494696).

Almost surely, 21031047053 is an apocalyptic number.

It is an amenable number.

1031047053 is a deficient number, since it is larger than the sum of its proper divisors (348910515).

1031047053 is a wasteful number, since it uses less digits than its factorization.

1031047053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307043.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1031047053 is about 32109.9214106793. The cubic root of 1031047053 is about 1010.2437254508.

Adding to 1031047053 its reverse (3507401301), we get a palindrome (4538448354).

The spelling of 1031047053 in words is "one billion, thirty-one million, forty-seven thousand, fifty-three".

Divisors: 1 3 263 789 1306777 3920331 343682351 1031047053