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13030222431 = 37723562399
BaseRepresentation
bin11000010001010100…
…10110101001011111
31020122002122212211210
430020222112221133
5203141214104211
65552550515503
7640621030452
oct141052265137
936562585753
1013030222431
115587247a76
122637965b93
1312c8723cb5
148b8795499
15513e219a6
hex308a96a5f

13030222431 has 8 divisors (see below), whose sum is σ = 17375910400. Its totient is φ = 8685674712.

The previous prime is 13030222421. The next prime is 13030222459. The reversal of 13030222431 is 13422203031.

13030222431 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 13030222431 - 218 = 13029960287 is a prime.

It is a super-2 number, since 2×130302224312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030222398 and 13030222407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030222421) 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, 258031 + ... + 304368.

It is an arithmetic number, because the mean of its divisors is an integer number (2171988800).

Almost surely, 213030222431 is an apocalyptic number.

13030222431 is a deficient number, since it is larger than the sum of its proper divisors (4345687969).

13030222431 is an equidigital number, since it uses as much as digits as its factorization.

13030222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570125.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13030222431 its reverse (13422203031), we get a palindrome (26452425462).

The spelling of 13030222431 in words is "thirteen billion, thirty million, two hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 3 7723 23169 562399 1687197 4343407477 13030222431