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131010020101 = 419312673079
BaseRepresentation
bin111101000000011001…
…1100100001100000101
3110112011022110120201201
41322000303210030011
54121302031120401
6140103555222501
712315356540242
oct1720063441405
9415138416651
10131010020101
1150619817194
1221482ba7a31
13c47b20c76c
1464ab6a45c9
15361b873b01
hex1e80ce4305

131010020101 has 4 divisors (see below), whose sum is σ = 131322693600. Its totient is φ = 130697346604.

The previous prime is 131010020087. The next prime is 131010020131. The reversal of 131010020101 is 101020010131.

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 not a de Polignac number, because 131010020101 - 229 = 130473149189 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 (131010020131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156336121 + ... + 156336958.

It is an arithmetic number, because the mean of its divisors is an integer number (32830673400).

Almost surely, 2131010020101 is an apocalyptic number.

It is an amenable number.

131010020101 is a deficient number, since it is larger than the sum of its proper divisors (312673499).

131010020101 is an equidigital number, since it uses as much as digits as its factorization.

131010020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312673498.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 131010020101 its reverse (101020010131), we get a palindrome (232030030232).

The spelling of 131010020101 in words is "one hundred thirty-one billion, ten million, twenty thousand, one hundred one".

Divisors: 1 419 312673079 131010020101