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1303201031 = 114126310987
BaseRepresentation
bin100110110101101…
…0100010100000111
310100211012110201212
41031223110110013
510132104413111
6333152042035
744203011626
oct11553242407
93324173655
101303201031
11609694250
1230453331b
13179cb8c92
14c51156bd
157962398b
hex4dad4507

1303201031 has 16 divisors (see below), whose sum is σ = 1462019328. Its totient is φ = 1151332800.

The previous prime is 1303201021. The next prime is 1303201049. The reversal of 1303201031 is 1301023031.

It is a cyclic number.

It is not a de Polignac number, because 1303201031 - 214 = 1303184647 is a prime.

It is a super-2 number, since 2×13032010312 = 3396665854398925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303200997 and 1303201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303201021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113120 + ... + 124106.

It is an arithmetic number, because the mean of its divisors is an integer number (91376208).

Almost surely, 21303201031 is an apocalyptic number.

1303201031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1303201031 is a deficient number, since it is larger than the sum of its proper divisors (158818297).

1303201031 is a wasteful number, since it uses less digits than its factorization.

1303201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1303201031 is about 36099.8757754095. The cubic root of 1303201031 is about 1092.2879391932.

Adding to 1303201031 its reverse (1301023031), we get a palindrome (2604224062).

The spelling of 1303201031 in words is "one billion, three hundred three million, two hundred one thousand, thirty-one".

Divisors: 1 11 41 263 451 2893 10783 10987 118613 120857 450467 2889581 4955137 31785391 118472821 1303201031