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1033030031 = 11891055189
BaseRepresentation
bin111101100100101…
…100100110001111
32122222211100210112
4331210230212033
54103423430111
6250301230235
734412416235
oct7544544617
92588740715
101033030031
11490133830
12249b6237b
13136033397
149b2a8955
1560a57e8b
hex3d92c98f

1033030031 has 8 divisors (see below), whose sum is σ = 1139605200. Its totient is φ = 928565440.

The previous prime is 1033030021. The next prime is 1033030087. The reversal of 1033030031 is 1300303301.

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

It is not a de Polignac number, because 1033030031 - 210 = 1033029007 is a prime.

It is a super-2 number, since 2×10330300312 = 2134302089895721922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1033029988 and 1033030015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033030021) 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, 526616 + ... + 528573.

It is an arithmetic number, because the mean of its divisors is an integer number (142450650).

Almost surely, 21033030031 is an apocalyptic number.

1033030031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1033030031 is a deficient number, since it is larger than the sum of its proper divisors (106575169).

1033030031 is a wasteful number, since it uses less digits than its factorization.

1033030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055289.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 1033030031 is about 32140.7845423848. The cubic root of 1033030031 is about 1010.8909665764.

Adding to 1033030031 its reverse (1300303301), we get a palindrome (2333333332).

The spelling of 1033030031 in words is "one billion, thirty-three million, thirty thousand, thirty-one".

Divisors: 1 11 89 979 1055189 11607079 93911821 1033030031