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13003034231 = 1110871087483
BaseRepresentation
bin11000001110000101…
…01000111001110111
31020120012111120122102
430013002220321313
5203112234043411
65550140052315
7640140652535
oct140702507167
936505446572
1013003034231
115572968090
12262a83409b
1312c2bc4ac5
148b4d19155
15511850d3b
hex3070a8e77

13003034231 has 8 divisors (see below), whose sum is σ = 14198191104. Its totient is φ = 11810054520.

The previous prime is 13003034221. The next prime is 13003034269. The reversal of 13003034231 is 13243030031.

13003034231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13003034231 - 226 = 12935925367 is a prime.

It is a super-2 number, since 2×130030342312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003034201) 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 7 ways as a sum of consecutive naturals, for example, 531785 + ... + 555698.

It is an arithmetic number, because the mean of its divisors is an integer number (1774773888).

Almost surely, 213003034231 is an apocalyptic number.

13003034231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13003034231 is a deficient number, since it is larger than the sum of its proper divisors (1195156873).

13003034231 is a wasteful number, since it uses less digits than its factorization.

13003034231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088581.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13003034231 its reverse (13243030031), we get a palindrome (26246064262).

The spelling of 13003034231 in words is "thirteen billion, three million, thirty-four thousand, two hundred thirty-one".

Divisors: 1 11 1087 11957 1087483 11962313 1182094021 13003034231