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101321120231 = 236172217477
BaseRepresentation
bin101111001011100110…
…1011001100111100111
3100200112020120012111122
41132113031121213213
53130001201321411
6114313555124155
710214555211662
oct1362715314747
9320466505448
10101321120231
1139a74149301
12177782a365b
1397294309a6
144c926bc6d9
1529801ec9db
hex17973599e7

101321120231 has 8 divisors (see below), whose sum is σ = 107459607264. Its totient is φ = 95327068320.

The previous prime is 101321120209. The next prime is 101321120237. The reversal of 101321120231 is 132021123101.

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 101321120231 - 26 = 101321120167 is a prime.

It is a super-2 number, since 2×1013211202312 (a number of 23 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 (101321120237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36107336 + ... + 36110141.

It is an arithmetic number, because the mean of its divisors is an integer number (13432450908).

Almost surely, 2101321120231 is an apocalyptic number.

101321120231 is a deficient number, since it is larger than the sum of its proper divisors (6138487033).

101321120231 is an equidigital number, since it uses as much as digits as its factorization.

101321120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72217561.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101321120231 its reverse (132021123101), we get a palindrome (233342243332).

The spelling of 101321120231 in words is "one hundred one billion, three hundred twenty-one million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 23 61 1403 72217477 1661001971 4405266097 101321120231