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101120023231 is a prime number
BaseRepresentation
bin101111000101100111…
…0010001101010111111
3100200000020011102021121
41132023032101222333
53124043211220411
6114242013011411
710206564005233
oct1361316215277
9320006142247
10101120023231
1139980687137
1217720a83b67
1396c6881296
144c73ad25c3
15296c728571
hex178b391abf

101120023231 has 2 divisors, whose sum is σ = 101120023232. Its totient is φ = 101120023230.

The previous prime is 101120023219. The next prime is 101120023313. The reversal of 101120023231 is 132320021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101120023231 - 219 = 101119498943 is a prime.

It is a super-2 number, since 2×1011200232312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101120023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560011615 + 50560011616.

It is an arithmetic number, because the mean of its divisors is an integer number (50560011616).

Almost surely, 2101120023231 is an apocalyptic number.

101120023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120023231 is an equidigital number, since it uses as much as digits as its factorization.

101120023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101120023231 its reverse (132320021101), we get a palindrome (233440044332).

The spelling of 101120023231 in words is "one hundred one billion, one hundred twenty million, twenty-three thousand, two hundred thirty-one".