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120131302031313 = 340043767343771
BaseRepresentation
bin11011010100001000111111…
…100101010111111111010001
3120202100102212222201022202020
4123110020333211113333101
5111221212401310000223
61103255320331042053
734206125440062156
oct3324107745277721
9522312788638666
10120131302031313
11353064431a8781
1211582301ba0329
135205443c9ac21
14219455942822d
15dd4d5695b1e3
hex6d423f957fd1

120131302031313 has 4 divisors (see below), whose sum is σ = 160175069375088. Its totient is φ = 80087534687540.

The previous prime is 120131302031263. The next prime is 120131302031317. The reversal of 120131302031313 is 313130203131021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120131302031313 - 26 = 120131302031249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120131302031317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20021883671883 + ... + 20021883671888.

It is an arithmetic number, because the mean of its divisors is an integer number (40043767343772).

Almost surely, 2120131302031313 is an apocalyptic number.

It is an amenable number.

120131302031313 is a deficient number, since it is larger than the sum of its proper divisors (40043767343775).

120131302031313 is an equidigital number, since it uses as much as digits as its factorization.

120131302031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043767343774.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 120131302031313 its reverse (313130203131021), we get a palindrome (433261505162334).

The spelling of 120131302031313 in words is "one hundred twenty trillion, one hundred thirty-one billion, three hundred two million, thirty-one thousand, three hundred thirteen".

Divisors: 1 3 40043767343771 120131302031313