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121324313 = 1129380327
BaseRepresentation
bin1110011101101…
…00001100011001
322110021220200002
413032310030121
5222024334223
620012222345
73002145125
oct716641431
9273256602
10121324313
1162536830
123476a9b5
131c19b946
1412182585
15a9b7e28
hex73b4319

121324313 has 8 divisors (see below), whose sum is σ = 136918080. Its totient is φ = 106491280.

The previous prime is 121324283. The next prime is 121324319. The reversal of 121324313 is 313423121.

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 121324313 - 216 = 121258777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121324319) 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, 189845 + ... + 190482.

It is an arithmetic number, because the mean of its divisors is an integer number (17114760).

Almost surely, 2121324313 is an apocalyptic number.

It is an amenable number.

121324313 is a deficient number, since it is larger than the sum of its proper divisors (15593767).

121324313 is a wasteful number, since it uses less digits than its factorization.

121324313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380367.

The product of its digits is 432, while the sum is 20.

The square root of 121324313 is about 11014.7316354054. The cubic root of 121324313 is about 495.0502455543.

Adding to 121324313 its reverse (313423121), we get a palindrome (434747434).

The spelling of 121324313 in words is "one hundred twenty-one million, three hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 11 29 319 380327 4183597 11029483 121324313