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131201420213001 = 3439411080834509
BaseRepresentation
bin11101110101001110110110…
…000010111011101100001001
3122012112201210120002200201210
4131311032312002323230021
5114144101002033304001
61143013033402403333
736430663334054265
oct3565166602735411
9565481716080653
10131201420213001
1138894234329376
121286b86a200549
1358293191779c8
14245827b17b0a5
151027cb3cbcdd6
hex7753b60bbb09

131201420213001 has 16 divisors (see below), whose sum is σ = 179193715081920. Its totient is φ = 85342692751680.

The previous prime is 131201420212999. The next prime is 131201420213041. The reversal of 131201420213001 is 100312024102131.

It is not a de Polignac number, because 131201420213001 - 21 = 131201420212999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201420213041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540295866 + ... + 540538643.

It is an arithmetic number, because the mean of its divisors is an integer number (11199607192620).

Almost surely, 2131201420213001 is an apocalyptic number.

It is an amenable number.

131201420213001 is a deficient number, since it is larger than the sum of its proper divisors (47992294868919).

131201420213001 is a wasteful number, since it uses less digits than its factorization.

131201420213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080835496.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131201420213001 its reverse (100312024102131), we get a palindrome (231513444315132).

The spelling of 131201420213001 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred thirteen thousand, one".

Divisors: 1 3 43 129 941 2823 40463 121389 1080834509 3242503527 46475883887 139427651661 1017065272969 3051195818907 43733806737667 131201420213001