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101231431241 = 172350281769
BaseRepresentation
bin101111001000111011…
…1010000111001001001
3100200021222210112100012
41132101313100321021
53124310221244431
6114301032521305
710212415653023
oct1362167207111
9320258715305
10101231431241
1139a2855a676
1217752250235
13971398a495
144c84813013
1529773d322b
hex1791dd0e49

101231431241 has 6 divisors (see below), whose sum is σ = 107536503390. Its totient is φ = 95276640896.

The previous prime is 101231431237. The next prime is 101231431283. The reversal of 101231431241 is 142134132101.

It can be written as a sum of positive squares in 3 ways, for example, as 40402608016 + 60828823225 = 201004^2 + 246635^2 .

It is not a de Polignac number, because 101231431241 - 22 = 101231431237 is a prime.

It is a super-2 number, since 2×1012314312412 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101231430241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175140596 + ... + 175141173.

It is an arithmetic number, because the mean of its divisors is an integer number (17922750565).

Almost surely, 2101231431241 is an apocalyptic number.

It is an amenable number.

101231431241 is a deficient number, since it is larger than the sum of its proper divisors (6305072149).

101231431241 is an equidigital number, since it uses as much as digits as its factorization.

101231431241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350281803 (or 350281786 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101231431241 its reverse (142134132101), we get a palindrome (243365563342).

The spelling of 101231431241 in words is "one hundred one billion, two hundred thirty-one million, four hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 17 289 350281769 5954790073 101231431241