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13103333331 = 3112127284231
BaseRepresentation
bin11000011010000010…
…01111111111010011
31020211012020022010220
430031001033333103
5203313423131311
610004121524123
7642466331664
oct141501177723
936735208126
1013103333331
115614543300
122658343643
13130a91179a
148c438736b
1551a564206
hex30d04ffd3

13103333331 has 24 divisors (see below), whose sum is σ = 19355062272. Its totient is φ = 7878855600.

The previous prime is 13103333311. The next prime is 13103333333. The reversal of 13103333331 is 13333330131.

It is not a de Polignac number, because 13103333331 - 26 = 13103333267 is a prime.

It is a super-2 number, since 2×131033333312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13103333333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96015 + ... + 188216.

It is an arithmetic number, because the mean of its divisors is an integer number (806460928).

Almost surely, 213103333331 is an apocalyptic number.

13103333331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13103333331 is a deficient number, since it is larger than the sum of its proper divisors (6251728941).

13103333331 is a wasteful number, since it uses less digits than its factorization.

13103333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284383 (or 284372 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 24.

Adding to 13103333331 its reverse (13333330131), we get a palindrome (26436663462).

The spelling of 13103333331 in words is "thirteen billion, one hundred three million, three hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 11 33 121 127 363 381 1397 4191 15367 46101 284231 852693 3126541 9379623 34391951 36097337 103175853 108292011 397070707 1191212121 4367777777 13103333331