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13003102231 = 74721393473
BaseRepresentation
bin11000001110000101…
…11001100000010111
31020120012122000220221
430013002321200113
5203112243232411
65550141335211
7640141355020
oct140702714027
936505560827
1013003102231
115572a04189
12262a867507
1312c2c19a42
148b4d35c47
15511866071
hex3070b9817

13003102231 has 8 divisors (see below), whose sum is σ = 14863873824. Its totient is φ = 11143127040.

The previous prime is 13003102193. The next prime is 13003102243. The reversal of 13003102231 is 13220130031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13003102231 - 29 = 13003101719 is a prime.

It is a super-2 number, since 2×130031022312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003102631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163690 + ... + 229783.

It is an arithmetic number, because the mean of its divisors is an integer number (1857984228).

Almost surely, 213003102231 is an apocalyptic number.

13003102231 is a deficient number, since it is larger than the sum of its proper divisors (1860771593).

13003102231 is an equidigital number, since it uses as much as digits as its factorization.

13003102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398201.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13003102231 its reverse (13220130031), we get a palindrome (26223232262).

The spelling of 13003102231 in words is "thirteen billion, three million, one hundred two thousand, two hundred thirty-one".

Divisors: 1 7 4721 33047 393473 2754311 1857586033 13003102231