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1031303112 = 23376138709
BaseRepresentation
bin111101011110000…
…110111111001000
32122212120121220120
4331132012333020
54103003144422
6250200223240
734361634420
oct7536067710
92585517816
101031303112
1148a164324
1224946ab20
1313587a338
149ad79480
156081645c
hex3d786fc8

1031303112 has 32 divisors (see below), whose sum is σ = 2946580800. Its totient is φ = 294657984.

The previous prime is 1031303107. The next prime is 1031303131. The reversal of 1031303112 is 2113031301.

It is a super-2 number, since 2×10313031122 = 2127172217641769088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031303091 and 1031303100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069187 + ... + 3069522.

It is an arithmetic number, because the mean of its divisors is an integer number (92080650).

Almost surely, 21031303112 is an apocalyptic number.

1031303112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031303112 is an abundant number, since it is smaller than the sum of its proper divisors (1915277688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031303112 is a wasteful number, since it uses less digits than its factorization.

1031303112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138725 (or 6138721 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1031303112 is about 32113.9083887340. The cubic root of 1031303112 is about 1010.3273493701.

Adding to 1031303112 its reverse (2113031301), we get a palindrome (3144334413).

The spelling of 1031303112 in words is "one billion, thirty-one million, three hundred three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 6138709 12277418 18416127 24554836 36832254 42970963 49109672 73664508 85941926 128912889 147329016 171883852 257825778 343767704 515651556 1031303112