Search a number
-
+
13031111003 = 23986363179
BaseRepresentation
bin11000010001011011…
…01111100101011011
31020122011100000201212
430020231233211123
5203141431023003
65553021533335
7640631421161
oct141055574533
936564300655
1013031111003
1155877a4629
12263811424b
1312c8975591
148b8947231
15514049dd8
hex308b6f95b

13031111003 has 8 divisors (see below), whose sum is σ = 13101004800. Its totient is φ = 12961345768.

The previous prime is 13031110991. The next prime is 13031111017. The reversal of 13031111003 is 30011113031.

It is a happy number.

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 13031111003 - 214 = 13031094619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031111803) 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 7 ways as a sum of consecutive naturals, for example, 174668 + ... + 237846.

It is an arithmetic number, because the mean of its divisors is an integer number (1637625600).

Almost surely, 213031111003 is an apocalyptic number.

13031111003 is a deficient number, since it is larger than the sum of its proper divisors (69893797).

13031111003 is an equidigital number, since it uses as much as digits as its factorization.

13031111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64281.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 13031111003 its reverse (30011113031), we get a palindrome (43042224034).

The spelling of 13031111003 in words is "thirteen billion, thirty-one million, one hundred eleven thousand, three".

Divisors: 1 239 863 63179 206257 15099781 54523477 13031111003