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121334313 = 340444771
BaseRepresentation
bin1110011101101…
…10101000101001
322110022102101110
413032312220221
5222030144223
620012340533
73002216232
oct716665051
9273272343
10121334313
11625432a1
1234774749
131c1a3369
1412186089
15a9bad93
hex73b6a29

121334313 has 4 divisors (see below), whose sum is σ = 161779088. Its totient is φ = 80889540.

The previous prime is 121334303. The next prime is 121334327. The reversal of 121334313 is 313433121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121334313 - 25 = 121334281 is a prime.

It is a super-2 number, since 2×1213343132 = 29444031022363938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121334313.

It is not an unprimeable number, because it can be changed into a prime (121334303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20222383 + ... + 20222388.

It is an arithmetic number, because the mean of its divisors is an integer number (40444772).

Almost surely, 2121334313 is an apocalyptic number.

It is an amenable number.

121334313 is a deficient number, since it is larger than the sum of its proper divisors (40444775).

121334313 is an equidigital number, since it uses as much as digits as its factorization.

121334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40444774.

The product of its digits is 648, while the sum is 21.

The square root of 121334313 is about 11015.1855635754. The cubic root of 121334313 is about 495.0638464733.

Adding to 121334313 its reverse (313433121), we get a palindrome (434767434).

The spelling of 121334313 in words is "one hundred twenty-one million, three hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 3 40444771 121334313