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131320652351 = 7473591111841
BaseRepresentation
bin111101001001101010…
…0100010001000111111
3110112221221222100001212
41322103110202020333
54122421041333401
6140154453155035
712326151061520
oct1722324421077
9415857870055
10131320652351
11507690a2859
122154b02ba7b
13c4ca690b25
1464daa44847
153638c82dbb
hex1e9352223f

131320652351 has 16 divisors (see below), whose sum is σ = 153701038080. Its totient is φ = 109858686720.

The previous prime is 131320652311. The next prime is 131320652389. The reversal of 131320652351 is 153256023131.

It is a cyclic number.

It is not a de Polignac number, because 131320652351 - 218 = 131320390207 is a prime.

It is a super-2 number, since 2×1313206523512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320652311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437810 + ... + 674031.

It is an arithmetic number, because the mean of its divisors is an integer number (9606314880).

Almost surely, 2131320652351 is an apocalyptic number.

131320652351 is a deficient number, since it is larger than the sum of its proper divisors (22380385729).

131320652351 is a wasteful number, since it uses less digits than its factorization.

131320652351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112254.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 131320652351 its reverse (153256023131), we get a palindrome (284576675482).

The spelling of 131320652351 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred fifty-two thousand, three hundred fifty-one".

Divisors: 1 7 47 329 359 2513 16873 118111 1111841 7782887 52256527 365795689 399150919 2794056433 18760093193 131320652351