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120031033131 = 3213336781459
BaseRepresentation
bin110111111001001101…
…0000011011100101011
3102110211011120020221200
41233302122003130223
53431310421030011
6131050321335243
711446323643002
oct1576232033453
9373734506850
10120031033131
11469a5430839
121b31a197523
13b41b761679
145b49503c39
1531c7a85856
hex1bf268372b

120031033131 has 6 divisors (see below), whose sum is σ = 173378158980. Its totient is φ = 80020688748.

The previous prime is 120031033123. The next prime is 120031033139. The reversal of 120031033131 is 131330130021.

It is a happy number.

120031033131 is a `hidden beast` number, since 1 + 20 + 0 + 310 + 331 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (120031033123) and next prime (120031033139).

It is not a de Polignac number, because 120031033131 - 23 = 120031033123 is a prime.

It is a super-2 number, since 2×1200310331312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120031033139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6668390721 + ... + 6668390738.

It is an arithmetic number, because the mean of its divisors is an integer number (28896359830).

Almost surely, 2120031033131 is an apocalyptic number.

120031033131 is a deficient number, since it is larger than the sum of its proper divisors (53347125849).

120031033131 is a wasteful number, since it uses less digits than its factorization.

120031033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336781465 (or 13336781462 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 120031033131 its reverse (131330130021), we get a palindrome (251361163152).

The spelling of 120031033131 in words is "one hundred twenty billion, thirty-one million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 9 13336781459 40010344377 120031033131