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131003120210101 = 1131177798439301
BaseRepresentation
bin11101110010010110001010…
…011100011101000010110101
3122011211202221200122210211221
4131302112022130131002311
5114132323342233210401
61142342000321230341
736410443304621116
oct3562261234350265
9564752850583757
10131003120210101
1138818125129157
1212839347a923b1
135813706103999
14244c828b8020d
151022a59beb7a1
hex77258a71d0b5

131003120210101 has 8 divisors (see below), whose sum is σ = 132173663280984. Its totient is φ = 129832774041600.

The previous prime is 131003120210071. The next prime is 131003120210117. The reversal of 131003120210101 is 101012021300131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13539272180625 + 117463848029476 = 3679575^2 + 10838074^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131003120210101 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 (131003120210401) 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, 47888850 + ... + 50550451.

It is an arithmetic number, because the mean of its divisors is an integer number (16521707910123).

Almost surely, 2131003120210101 is an apocalyptic number.

It is an amenable number.

131003120210101 is a deficient number, since it is larger than the sum of its proper divisors (1170543070883).

131003120210101 is a wasteful number, since it uses less digits than its factorization.

131003120210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98451191.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131003120210101 its reverse (101012021300131), we get a palindrome (232015141510232).

The spelling of 131003120210101 in words is "one hundred thirty-one trillion, three billion, one hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 113 11777 1330801 98439301 11123641013 1159319647877 131003120210101