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13303343431 = 741211219683
BaseRepresentation
bin11000110001111000…
…01110100101000111
31021100010120212102101
430120330032211013
5204221123442211
610040024452531
7650445360550
oct143074164507
937303525371
1013303343431
115707432904
1226b331a147
1313401a0561
14902b6d327
1552cdc15c1
hex318f0e947

13303343431 has 16 divisors (see below), whose sum is σ = 15648530688. Its totient is φ = 11071972800.

The previous prime is 13303343393. The next prime is 13303343477. The reversal of 13303343431 is 13434330331.

13303343431 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 13303343431 - 211 = 13303341383 is a prime.

It is a super-2 number, since 2×133033434312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13303343431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303343531) 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, 49285 + ... + 170398.

It is an arithmetic number, because the mean of its divisors is an integer number (978033168).

Almost surely, 213303343431 is an apocalyptic number.

13303343431 is a deficient number, since it is larger than the sum of its proper divisors (2345187257).

13303343431 is a wasteful number, since it uses less digits than its factorization.

13303343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219942.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 13303343431 its reverse (13434330331), we get a palindrome (26737673762).

The spelling of 13303343431 in words is "thirteen billion, three hundred three million, three hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 7 41 211 287 1477 8651 60557 219683 1537781 9007003 46353113 63049021 324471791 1900477633 13303343431