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12231313303 = 111111937573
BaseRepresentation
bin10110110010000101…
…10000011110010111
31011120102101002112211
423121002300132113
5200022204011203
65341411254251
7612050306356
oct133102603627
934512332484
1012231313303
1152072917a0
1224542aa387
1311cc0637c1
1484063199d
154b8c12c6d
hex2d90b0797

12231313303 has 4 divisors (see below), whose sum is σ = 13343250888. Its totient is φ = 11119375720.

The previous prime is 12231313279. The next prime is 12231313337. The reversal of 12231313303 is 30331313221.

12231313303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30331313221 = 112757392111.

It is a cyclic number.

It is not a de Polignac number, because 12231313303 - 217 = 12231182231 is a prime.

It is a super-2 number, since 2×122313133032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231313603) 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 3 ways as a sum of consecutive naturals, for example, 555968776 + ... + 555968797.

It is an arithmetic number, because the mean of its divisors is an integer number (3335812722).

Almost surely, 212231313303 is an apocalyptic number.

12231313303 is a deficient number, since it is larger than the sum of its proper divisors (1111937585).

12231313303 is a wasteful number, since it uses less digits than its factorization.

12231313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111937584.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12231313303 its reverse (30331313221), we get a palindrome (42562626524).

The spelling of 12231313303 in words is "twelve billion, two hundred thirty-one million, three hundred thirteen thousand, three hundred three".

Divisors: 1 11 1111937573 12231313303