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131220321002301 = 3333113131223957
BaseRepresentation
bin11101110101100000011100…
…100111101110001100111101
3122012121112120210021021101010
4131311200130213232030331
5114144403204134033201
61143025441104105433
736432232611113256
oct3565403447561475
9565545523237333
10131220321002301
11388a12533320a3
1212873464005279
13582b03bbb9cbb
14245915148bb2d
15102851d2abbd6
hex77581c9ee33d

131220321002301 has 8 divisors (see below), whose sum is σ = 175012952912224. Its totient is φ = 87453951546960.

The previous prime is 131220321002299. The next prime is 131220321002341. The reversal of 131220321002301 is 103200123022131.

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

It is not a de Polignac number, because 131220321002301 - 21 = 131220321002299 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 (131220321002341) 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, 6565601986 + ... + 6565621971.

It is an arithmetic number, because the mean of its divisors is an integer number (21876619114028).

Almost surely, 2131220321002301 is an apocalyptic number.

It is an amenable number.

131220321002301 is a deficient number, since it is larger than the sum of its proper divisors (43792631909923).

131220321002301 is a wasteful number, since it uses less digits than its factorization.

131220321002301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131227291.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131220321002301 its reverse (103200123022131), we get a palindrome (234420444024432).

The spelling of 131220321002301 in words is "one hundred thirty-one trillion, two hundred twenty billion, three hundred twenty-one million, two thousand, three hundred one".

Divisors: 1 3 3331 9993 13131223957 39393671871 43740107000767 131220321002301