101243342131 has 2 divisors, whose sum is σ = 101243342132. Its totient is φ = 101243342130.

The previous prime is 101243342119. The next prime is 101243342173. The reversal of 101243342131 is 131243342101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101243342131 - 2³¹ = 99095858483 is a prime.

It is a super-2 number, since 2×101243342131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101243342096 and 101243342105.

It is not a weakly prime, because it can be changed into another prime (101243342231) 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 as a sum of consecutive naturals, namely, 50621671065 + 50621671066.

It is an arithmetic number, because the mean of its divisors is an integer number (50621671066).

Almost surely, 2^101243342131 is an apocalyptic number.

101243342131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101243342131 is an equidigital number, since it uses as much as digits as its factorization.

101243342131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 101243342131 its reverse (131243342101), we get a palindrome (232486684232).

The spelling of 101243342131 in words is "one hundred one billion, two hundred forty-three million, three hundred forty-two thousand, one hundred thirty-one".