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1310030013 = 317475211049
BaseRepresentation
bin100111000010101…
…0111100010111101
310101022001102100010
41032011113202331
510140331430023
6333554253433
744315033325
oct11605274275
93338042303
101310030013
11612528a36
12306887279
1317b53a3b6
14c5db2285
157a022093
hex4e1578bd

1310030013 has 32 divisors (see below), whose sum is σ = 1894233600. Its totient is φ = 802181120.

The previous prime is 1310030011. The next prime is 1310030027. The reversal of 1310030013 is 3100300131.

It is a cyclic number.

It is not a de Polignac number, because 1310030013 - 21 = 1310030011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310030011) 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 31 ways as a sum of consecutive naturals, for example, 1248313 + ... + 1249361.

It is an arithmetic number, because the mean of its divisors is an integer number (59194800).

Almost surely, 21310030013 is an apocalyptic number.

It is an amenable number.

1310030013 is a deficient number, since it is larger than the sum of its proper divisors (584203587).

1310030013 is a wasteful number, since it uses less digits than its factorization.

1310030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1310030013 is about 36194.3367531441. The cubic root of 1310030013 is about 1094.1925374702.

Adding to 1310030013 its reverse (3100300131), we get a palindrome (4410330144).

The spelling of 1310030013 in words is "one billion, three hundred ten million, thirty thousand, thirteen".

Divisors: 1 3 17 47 51 141 521 799 1049 1563 2397 3147 8857 17833 24487 26571 49303 53499 73461 147909 416279 546529 838151 1248837 1639587 2514453 9290993 25686863 27872979 77060589 436676671 1310030013