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131220030320201 = 1755191398591287
BaseRepresentation
bin11101110101100000001011…
…010010110110111001001001
3122012121111211112022002111102
4131311200023102312321021
5114144402110230221301
61143025352201511145
736432222451262504
oct3565401322667111
9565544745262442
10131220030320201
11388a1114242359
12128733a27a24b5
13582acc3902464
142459124a2213b
1510285029ddb6b
hex77580b4b6e49

131220030320201 has 8 divisors (see below), whose sum is σ = 138964030375680. Its totient is φ = 123478827458368.

The previous prime is 131220030320191. The next prime is 131220030320227. The reversal of 131220030320201 is 102023030022131.

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-131220030320201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131220030370201) 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, 699201821 + ... + 699389466.

It is an arithmetic number, because the mean of its divisors is an integer number (17370503796960).

Almost surely, 2131220030320201 is an apocalyptic number.

It is an amenable number.

131220030320201 is a deficient number, since it is larger than the sum of its proper divisors (7744000055479).

131220030320201 is a wasteful number, since it uses less digits than its factorization.

131220030320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398596823.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131220030320201 its reverse (102023030022131), we get a palindrome (233243060342332).

The spelling of 131220030320201 in words is "one hundred thirty-one trillion, two hundred twenty billion, thirty million, three hundred twenty thousand, two hundred one".

Divisors: 1 17 5519 93823 1398591287 23776051879 7718825312953 131220030320201