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131141111200421 = 754163345890081
BaseRepresentation
bin11101110100010110101011…
…010110010011101010100101
3122012022222010112001102102012
4131310112223112103222211
5114142103443431403141
61142525221135124005
736423426662652260
oct3564265326235245
9565288115042365
10131141111200421
11388706a6481613
1212860038973605
1358237276b574a
142455399649cd7
15102643437aceb
hex7745ab593aa5

131141111200421 has 8 divisors (see below), whose sum is σ = 149878323211584. Its totient is φ = 112404591077760.

The previous prime is 131141111200399. The next prime is 131141111200427. The reversal of 131141111200421 is 124002111141131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131141111200421 - 26 = 131141111200357 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 (131141111200427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172565900 + ... + 173324181.

It is an arithmetic number, because the mean of its divisors is an integer number (18734790401448).

Almost surely, 2131141111200421 is an apocalyptic number.

It is an amenable number.

131141111200421 is a deficient number, since it is larger than the sum of its proper divisors (18737212011163).

131141111200421 is an equidigital number, since it uses as much as digits as its factorization.

131141111200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345944251.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 131141111200421 its reverse (124002111141131), we get a palindrome (255143222341552).

The spelling of 131141111200421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred eleven million, two hundred thousand, four hundred twenty-one".

Divisors: 1 7 54163 379141 345890081 2421230567 18734444457203 131141111200421