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303131311013121 = 3832291121404377
BaseRepresentation
bin100010011101100100100001…
…0000111001111110100000001
31110202022001220021001110211120
41010323021002013033310001
5304213000411104404441
62552412333554302453
7120564341321101203
oct10473110207176401
91422261807043746
10303131311013121
11886502a34a4948
1229bb8a66887a29
131001b2105cc246
1454bd8c2d84773
15250a21b07e966
hex113b2421cfd01

303131311013121 has 8 divisors (see below), whose sum is σ = 404175570297504. Its totient is φ = 202087296202080.

The previous prime is 303131311013039. The next prime is 303131311013137. The reversal of 303131311013121 is 121310113131303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 303131311013121 - 218 = 303131310750977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303131311013091 and 303131311013100.

It is not an unprimeable number, because it can be changed into a prime (303131311013821) 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, 58205316 + ... + 63199061.

It is an arithmetic number, because the mean of its divisors is an integer number (50521946287188).

Almost surely, 2303131311013121 is an apocalyptic number.

It is an amenable number.

303131311013121 is a deficient number, since it is larger than the sum of its proper divisors (101044259284383).

303131311013121 is a wasteful number, since it uses less digits than its factorization.

303131311013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122236671.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 303131311013121 its reverse (121310113131303), we get a palindrome (424441424144424).

The spelling of 303131311013121 in words is "three hundred three trillion, one hundred thirty-one billion, three hundred eleven million, thirteen thousand, one hundred twenty-one".

Divisors: 1 3 832291 2496873 121404377 364213131 101043770337707 303131311013121