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13103234331 = 3111093642823
BaseRepresentation
bin11000011010000001…
…10111110100011011
31020211012001021100020
430031000313310123
5203313411444311
610004115441523
7642465440235
oct141500676433
936735037306
1013103234331
115614485990
1226582b62a3
13130a8a86c5
148c435d255
1551a544c06
hex30d037d1b

13103234331 has 16 divisors (see below), whose sum is σ = 19234110720. Its totient is φ = 7868495520.

The previous prime is 13103234299. The next prime is 13103234357. The reversal of 13103234331 is 13343230131.

It is a happy number.

13103234331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13103234331 - 25 = 13103234299 is a prime.

It is a super-2 number, since 2×131032343312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13103234531) 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 15 ways as a sum of consecutive naturals, for example, 1817815 + ... + 1825008.

It is an arithmetic number, because the mean of its divisors is an integer number (1202131920).

Almost surely, 213103234331 is an apocalyptic number.

13103234331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13103234331 is a deficient number, since it is larger than the sum of its proper divisors (6130876389).

13103234331 is a wasteful number, since it uses less digits than its factorization.

13103234331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642946.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13103234331 its reverse (13343230131), we get a palindrome (26446464462).

The spelling of 13103234331 in words is "thirteen billion, one hundred three million, two hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 3 11 33 109 327 1199 3597 3642823 10928469 40071053 120213159 397067707 1191203121 4367744777 13103234331