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1031304113 = 7766919211
BaseRepresentation
bin111101011110000…
…111001110110001
32122212120200021122
4331132013032301
54103003212423
6250200232025
734361640350
oct7536071661
92585520248
101031304113
1148a165054
1224946b615
1313587a928
149ad79997
15608168c8
hex3d7873b1

1031304113 has 8 divisors (see below), whose sum is σ = 1178848320. Its totient is φ = 883813680.

The previous prime is 1031304091. The next prime is 1031304149. The reversal of 1031304113 is 3114031301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031304113 - 26 = 1031304049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031304091 and 1031304100.

It is not an unprimeable number, because it can be changed into a prime (1031304163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44078 + ... + 63288.

It is an arithmetic number, because the mean of its divisors is an integer number (147356040).

Almost surely, 21031304113 is an apocalyptic number.

It is an amenable number.

1031304113 is a deficient number, since it is larger than the sum of its proper divisors (147544207).

1031304113 is an equidigital number, since it uses as much as digits as its factorization.

1031304113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26887.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1031304113 is about 32113.9239738777. The cubic root of 1031304113 is about 1010.3276762502.

Adding to 1031304113 its reverse (3114031301), we get a palindrome (4145335414).

The spelling of 1031304113 in words is "one billion, thirty-one million, three hundred four thousand, one hundred thirteen".

Divisors: 1 7 7669 19211 53683 134477 147329159 1031304113