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120313031123 = 5315714458963
BaseRepresentation
bin111000000001100110…
…1110010100111010011
3102111112211012020110202
41300003031302213103
53432400113443443
6131134313445415
711456316614405
oct1600315624723
9374484166422
10120313031123
114702a62a02a
121b39871086b
13b464cc859c
145b74b4cb75
1531e26da7b8
hex1c033729d3

120313031123 has 8 divisors (see below), whose sum is σ = 123363880848. Its totient is φ = 117291099744.

The previous prime is 120313031107. The next prime is 120313031141. The reversal of 120313031123 is 321130313021.

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 120313031123 - 24 = 120313031107 is a prime.

It is a super-2 number, since 2×1203130311232 (a number of 23 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 = 120313031095 and 120313031104.

It is not an unprimeable number, because it can be changed into a prime (120313031183) 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, 7221161 + ... + 7237802.

It is an arithmetic number, because the mean of its divisors is an integer number (15420485106).

Almost surely, 2120313031123 is an apocalyptic number.

120313031123 is a deficient number, since it is larger than the sum of its proper divisors (3050849725).

120313031123 is a wasteful number, since it uses less digits than its factorization.

120313031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459173.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120313031123 its reverse (321130313021), we get a palindrome (441443344144).

The spelling of 120313031123 in words is "one hundred twenty billion, three hundred thirteen million, thirty-one thousand, one hundred twenty-three".

Divisors: 1 53 157 8321 14458963 766325039 2270057191 120313031123