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310000111131121 = 47103479133687639
BaseRepresentation
bin100011001111100011000011…
…0100000010001100111110001
31111122121201110202021212220221
41012133012012200101213301
5311113020211422143441
63015152030211133041
7122203524512546665
oct10637060640214761
91448551422255827
10310000111131121
118a859344057a44
122a928121ba4181
13103c8b675a04a8
14567a12a6128a5
1525c8c334048d1
hex119f1868119f1

310000111131121 has 16 divisors (see below), whose sum is σ = 320336975462400. Its totient is φ = 299831426003088.

The previous prime is 310000111131103. The next prime is 310000111131133. The reversal of 310000111131121 is 121131111000013.

It is a cyclic number.

It is not a de Polignac number, because 310000111131121 - 219 = 310000110606833 is a prime.

It is a super-2 number, since 2×3100001111311212 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 310000111131095 and 310000111131104.

It is not an unprimeable number, because it can be changed into a prime (310000111137121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64524981 + ... + 69162658.

It is an arithmetic number, because the mean of its divisors is an integer number (20021060966400).

Almost surely, 2310000111131121 is an apocalyptic number.

It is an amenable number.

310000111131121 is a deficient number, since it is larger than the sum of its proper divisors (10336864331279).

310000111131121 is a wasteful number, since it uses less digits than its factorization.

310000111131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133688268.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 310000111131121 its reverse (121131111000013), we get a palindrome (431131222131134).

The spelling of 310000111131121 in words is "three hundred ten trillion, one hundred eleven million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 47 103 479 4841 22513 49337 2318839 133687639 6283319033 13769826817 64036379081 647181860399 3009709816807 6595747045343 310000111131121