Search a number
-
+
13303110031 = 61680332057
BaseRepresentation
bin11000110001110110…
…10101100110001111
31021100010011000020221
430120323111212033
5204221044010111
610040015452211
7650443366231
oct143073254617
937303130227
1013303110031
115707293512
1226b3227067
13134011b253
14902b0c251
1552cd77371
hex318ed598f

13303110031 has 8 divisors (see below), whose sum is σ = 13523603184. Its totient is φ = 13082694720.

The previous prime is 13303110013. The next prime is 13303110049. The reversal of 13303110031 is 13001130331.

It is an interprime number because it is at equal distance from previous prime (13303110013) and next prime (13303110049).

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 13303110031 - 213 = 13303101839 is a prime.

It is a super-2 number, since 2×133031100312 (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 = 13303109987 and 13303110014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13306110031) 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, 398955 + ... + 431011.

It is an arithmetic number, because the mean of its divisors is an integer number (1690450398).

Almost surely, 213303110031 is an apocalyptic number.

13303110031 is a deficient number, since it is larger than the sum of its proper divisors (220493153).

13303110031 is an equidigital number, since it uses as much as digits as its factorization.

13303110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38921.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 13303110031 its reverse (13001130331), we get a palindrome (26304240362).

The spelling of 13303110031 in words is "thirteen billion, three hundred three million, one hundred ten thousand, thirty-one".

Divisors: 1 61 6803 32057 414983 1955477 218083771 13303110031