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2303121310121 = 19715916932101
BaseRepresentation
bin100001100000111100101…
…110100100000110101001
322011011202111001212020202
4201200330232210012221
5300213243023410441
64522012254401545
7325252331062052
oct41407456440651
98134674055222
102303121310121
11808825a34625
1231243a8002b5
1313924cc3c838
147d686375729
153ed996e419b
hex2183cba41a9

2303121310121 has 8 divisors (see below), whose sum is σ = 2424677006400. Its totient is φ = 2181599492400.

The previous prime is 2303121310103. The next prime is 2303121310129. The reversal of 2303121310121 is 1210131213032.

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 a de Polignac number, because none of the positive numbers 2k-2303121310121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303121310093 and 2303121310102.

It is not an unprimeable number, because it can be changed into a prime (2303121310129) 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, 8330030 + ... + 8602071.

It is an arithmetic number, because the mean of its divisors is an integer number (303084625800).

Almost surely, 22303121310121 is an apocalyptic number.

It is an amenable number.

2303121310121 is a deficient number, since it is larger than the sum of its proper divisors (121555696279).

2303121310121 is a wasteful number, since it uses less digits than its factorization.

2303121310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939279.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2303121310121 its reverse (1210131213032), we get a palindrome (3513252523153).

The spelling of 2303121310121 in words is "two trillion, three hundred three billion, one hundred twenty-one million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 19 7159 136021 16932101 321709919 121216911059 2303121310121