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13431103430 = 251976817819
BaseRepresentation
bin11001000001000111…
…00101111111000110
31021200000222202012012
430200203211333012
5210001330302210
610100431054222
7653556331643
oct144043457706
937600882165
1013431103430
115772564888
12272a071372
1313607b35a4
14915b08dca
1553920b305
hex3208e5fc6

13431103430 has 16 divisors (see below), whose sum is σ = 24298710480. Its totient is φ = 5345169312.

The previous prime is 13431103429. The next prime is 13431103463. The reversal of 13431103430 is 3430113431.

13431103430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13431103396 and 13431103405.

It is a congruent number.

It is an unprimeable number.

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, 3406940 + ... + 3410879.

It is an arithmetic number, because the mean of its divisors is an integer number (1518669405).

Almost surely, 213431103430 is an apocalyptic number.

13431103430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431103430 is a deficient number, since it is larger than the sum of its proper divisors (10867607050).

13431103430 is a wasteful number, since it uses less digits than its factorization.

13431103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818023.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13431103430 its reverse (3430113431), we get a palindrome (16861216861).

The spelling of 13431103430 in words is "thirteen billion, four hundred thirty-one million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 5 10 197 394 985 1970 6817819 13635638 34089095 68178190 1343110343 2686220686 6715551715 13431103430