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131010224573021 = 1743317797884061
BaseRepresentation
bin11101110010011100110001…
…111001011100101001011101
3122011212110021210202211122112
4131302130301321130221131
5114132432414442314041
61142345133304323405
736411114331663343
oct3562346171345135
9564773253684575
10131010224573021
1138820140384172
121283a7ab173565
135814298c1a221
14244cd00505993
151022d2377cdeb
hex772731e5ca5d

131010224573021 has 8 divisors (see below), whose sum is σ = 139037070292344. Its totient is φ = 123018974622720.

The previous prime is 131010224573003. The next prime is 131010224573027. The reversal of 131010224573021 is 120375422010131.

It can be written as a sum of positive squares in 4 ways, for example, as 47541645552025 + 83468579020996 = 6895045^2 + 9136114^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131010224573021 - 218 = 131010224310877 is a prime.

It is a super-2 number, since 2×1310102245730212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010224573027) 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, 8898934670 + ... + 8898949391.

It is an arithmetic number, because the mean of its divisors is an integer number (17379633786543).

Almost surely, 2131010224573021 is an apocalyptic number.

It is an amenable number.

131010224573021 is a deficient number, since it is larger than the sum of its proper divisors (8026845719323).

131010224573021 is a wasteful number, since it uses less digits than its factorization.

131010224573021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17797884511.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 131010224573021 its reverse (120375422010131), we get a palindrome (251385646583152).

The spelling of 131010224573021 in words is "one hundred thirty-one trillion, ten billion, two hundred twenty-four million, five hundred seventy-three thousand, twenty-one".

Divisors: 1 17 433 7361 17797884061 302564029037 7706483798413 131010224573021