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131010412210421 = 2937971258735141
BaseRepresentation
bin11101110010011100111101…
…000101001110100011110101
3122011212110202212211210202212
4131302130331011032203311
5114132433311011213141
61142345204050143205
736411122100611222
oct3562347505164365
9564773685753685
10131010412210421
11388202272929a7
121283a841b81b05
1358142c8a66483
14244cd1b3ca949
151022d34e942eb
hex77273d14e8f5

131010412210421 has 16 divisors (see below), whose sum is σ = 140625890064240. Its totient is φ = 121805282027520.

The previous prime is 131010412210369. The next prime is 131010412210429. The reversal of 131010412210421 is 124012214010131.

It can be written as a sum of positive squares in 8 ways, for example, as 1597354738225 + 129413057472196 = 1263865^2 + 11375986^2 .

It is not a de Polignac number, because 131010412210421 - 214 = 131010412194037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010412210429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629263490 + ... + 629471651.

It is an arithmetic number, because the mean of its divisors is an integer number (8789118129015).

Almost surely, 2131010412210421 is an apocalyptic number.

It is an amenable number.

131010412210421 is a deficient number, since it is larger than the sum of its proper divisors (9615477853819).

131010412210421 is a wasteful number, since it uses less digits than its factorization.

131010412210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258735304.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 131010412210421 its reverse (124012214010131), we get a palindrome (255022626220552).

The spelling of 131010412210421 in words is "one hundred thirty-one trillion, ten billion, four hundred twelve million, two hundred ten thousand, four hundred twenty-one".

Divisors: 1 29 37 97 1073 2813 3589 104081 1258735141 36503319089 46573200217 122097308677 1350622806293 3540821951633 4517600421049 131010412210421