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101243141431 = 369972736523
BaseRepresentation
bin101111001001010001…
…1111011110100110111
3100200022210211110200221
41132102203323310313
53124321221011211
6114302131515211
710212620334355
oct1362243736467
9320283743627
10101243141431
1139a34128713
1217756158b07
13971622a5a3
144c861c07d5
152978447c71
hex17928fbd37

101243141431 has 4 divisors (see below), whose sum is σ = 101245914952. Its totient is φ = 101240367912.

The previous prime is 101243141413. The next prime is 101243141539. The reversal of 101243141431 is 134141342101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101243141431 - 29 = 101243140919 is a prime.

It is a super-2 number, since 2×1012431414312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101243141396 and 101243141405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243141411) 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 3 ways as a sum of consecutive naturals, for example, 1331265 + ... + 1405258.

It is an arithmetic number, because the mean of its divisors is an integer number (25311478738).

Almost surely, 2101243141431 is an apocalyptic number.

101243141431 is a deficient number, since it is larger than the sum of its proper divisors (2773521).

101243141431 is an equidigital number, since it uses as much as digits as its factorization.

101243141431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773520.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101243141431 its reverse (134141342101), we get a palindrome (235384483532).

The spelling of 101243141431 in words is "one hundred one billion, two hundred forty-three million, one hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 36997 2736523 101243141431