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1030311103 = 13743117449
BaseRepresentation
bin111101011010010…
…100110010111111
32122210201020010111
4331122110302333
54102224423403
6250123050451
734350333313
oct7532246277
92583636114
101030311103
11489646a88
12249070a27
131355c0953
149ab9bb43
15606bc56d
hex3d694cbf

1030311103 has 8 divisors (see below), whose sum is σ = 1040299200. Its totient is φ = 1020359040.

The previous prime is 1030311097. The next prime is 1030311131. The reversal of 1030311103 is 3011130301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030311103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030317103) 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 in 7 ways as a sum of consecutive naturals, for example, 50323 + ... + 67771.

It is an arithmetic number, because the mean of its divisors is an integer number (130037400).

Almost surely, 21030311103 is an apocalyptic number.

1030311103 is a deficient number, since it is larger than the sum of its proper divisors (9988097).

1030311103 is a wasteful number, since it uses less digits than its factorization.

1030311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1030311103 is about 32098.4595113223. The cubic root of 1030311103 is about 1010.0033012995.

Adding to 1030311103 its reverse (3011130301), we get a palindrome (4041441404).

The spelling of 1030311103 in words is "one billion, thirty million, three hundred eleven thousand, one hundred three".

Divisors: 1 137 431 17449 59047 2390513 7520519 1030311103