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131202223302313 = 139943900887067
BaseRepresentation
bin11101110101001111100101…
…111010011110011010101001
3122012112210212112020212011101
4131311033211322132122221
5114144104123131133223
61143013245211401401
736431022255155452
oct3565174572363251
9565483775225141
10131202223302313
113889460668a249
121286ba53153261
13582941666ca97
142458315aac129
151027d0e5554ad
hex7753e5e9e6a9

131202223302313 has 4 divisors (see below), whose sum is σ = 132146124189520. Its totient is φ = 130258322415108.

The previous prime is 131202223302263. The next prime is 131202223302341. The reversal of 131202223302313 is 313203322202131.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-131202223302313 is a prime.

It is a super-2 number, since 2×1312022233023132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131202223302343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471950443395 + ... + 471950443672.

It is an arithmetic number, because the mean of its divisors is an integer number (33036531047380).

Almost surely, 2131202223302313 is an apocalyptic number.

It is an amenable number.

131202223302313 is a deficient number, since it is larger than the sum of its proper divisors (943900887207).

131202223302313 is an equidigital number, since it uses as much as digits as its factorization.

131202223302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943900887206.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 131202223302313 its reverse (313203322202131), we get a palindrome (444405545504444).

The spelling of 131202223302313 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-three million, three hundred two thousand, three hundred thirteen".

Divisors: 1 139 943900887067 131202223302313