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1330002031 = 2945862139
BaseRepresentation
bin100111101000110…
…0011100001101111
310102200122002210111
41033101203201233
510210440031111
6335550320451
744646554641
oct11721434157
93380562714
101330002031
1162282a236
123114b9127
13182710b67
14c88d0891
157bb69a21
hex4f46386f

1330002031 has 4 divisors (see below), whose sum is σ = 1375864200. Its totient is φ = 1284139864.

The previous prime is 1330001999. The next prime is 1330002053. The reversal of 1330002031 is 1302000331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302000331 = 2415402491.

It is a cyclic number.

It is not a de Polignac number, because 1330002031 - 25 = 1330001999 is a prime.

It is a super-3 number, since 3×13300020313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330002431) 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, 22931041 + ... + 22931098.

It is an arithmetic number, because the mean of its divisors is an integer number (343966050).

Almost surely, 21330002031 is an apocalyptic number.

1330002031 is a deficient number, since it is larger than the sum of its proper divisors (45862169).

1330002031 is an equidigital number, since it uses as much as digits as its factorization.

1330002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45862168.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1330002031 is about 36469.1929030517. The cubic root of 1330002031 is about 1099.7250086705.

Adding to 1330002031 its reverse (1302000331), we get a palindrome (2632002362).

The spelling of 1330002031 in words is "one billion, three hundred thirty million, two thousand, thirty-one".

Divisors: 1 29 45862139 1330002031