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1031300313 = 3343766771
BaseRepresentation
bin111101011110000…
…110010011011001
32122212120111001220
4331132012103121
54103003102223
6250200202253
734361623311
oct7536062331
92585514056
101031300313
1148a16220a
12249469389
13135878c94
149ad78441
15608156e3
hex3d7864d9

1031300313 has 4 divisors (see below), whose sum is σ = 1375067088. Its totient is φ = 687533540.

The previous prime is 1031300299. The next prime is 1031300321. The reversal of 1031300313 is 3130031301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031300313 - 217 = 1031169241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031300292 and 1031300301.

It is not an unprimeable number, because it can be changed into a prime (1031300323) 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 3 ways as a sum of consecutive naturals, for example, 171883383 + ... + 171883388.

It is an arithmetic number, because the mean of its divisors is an integer number (343766772).

Almost surely, 21031300313 is an apocalyptic number.

It is an amenable number.

1031300313 is a deficient number, since it is larger than the sum of its proper divisors (343766775).

1031300313 is an equidigital number, since it uses as much as digits as its factorization.

1031300313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343766774.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1031300313 is about 32113.8648094557. The cubic root of 1031300313 is about 1010.3264353457.

Adding to 1031300313 its reverse (3130031301), we get a palindrome (4161331614).

The spelling of 1031300313 in words is "one billion, thirty-one million, three hundred thousand, three hundred thirteen".

Divisors: 1 3 343766771 1031300313