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131035515001 = 160579816019
BaseRepresentation
bin111101000001001010…
…0110100100001111001
3110112020002102212011021
41322002110310201321
54121330042440001
6140110305502441
712316116333346
oct1720224644171
9415202385137
10131035515001
115063214a956
122148b641a21
13c483597cc1
1464b0c1d7cd
15361dc0cba1
hex1e82534879

131035515001 has 4 divisors (see below), whose sum is σ = 131036491600. Its totient is φ = 131034538404.

The previous prime is 131035514989. The next prime is 131035515019. The reversal of 131035515001 is 100515530131.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131035515001 - 211 = 131035512953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131035515031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247431 + ... + 568588.

It is an arithmetic number, because the mean of its divisors is an integer number (32759122900).

Almost surely, 2131035515001 is an apocalyptic number.

It is an amenable number.

131035515001 is a deficient number, since it is larger than the sum of its proper divisors (976599).

131035515001 is an equidigital number, since it uses as much as digits as its factorization.

131035515001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976598.

The product of its (nonzero) digits is 1125, while the sum is 25.

The spelling of 131035515001 in words is "one hundred thirty-one billion, thirty-five million, five hundred fifteen thousand, one".

Divisors: 1 160579 816019 131035515001