4244042202131 has 2 divisors, whose sum is σ = 4244042202132. Its totient is φ = 4244042202130.

The previous prime is 4244042202097. The next prime is 4244042202187. The reversal of 4244042202131 is 1312022404424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244042202131 is a prime.

It is a super-2 number, since 2×4244042202131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4244042202094 and 4244042202103.

It is not a weakly prime, because it can be changed into another prime (4244042222131) 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, 2122021101065 + 2122021101066.

It is an arithmetic number, because the mean of its divisors is an integer number (2122021101066).

Almost surely, 2^{4244042202131} is an apocalyptic number.

4244042202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244042202131 is an equidigital number, since it uses as much as digits as its factorization.

4244042202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4244042202131 its reverse (1312022404424), we get a palindrome (5556064606555).

The spelling of 4244042202131 in words is "four trillion, two hundred forty-four billion, forty-two million, two hundred two thousand, one hundred thirty-one".