200131244423381 has 2 divisors, whose sum is σ = 200131244423382. Its totient is φ = 200131244423380.

The previous prime is 200131244423377. The next prime is 200131244423441. The reversal of 200131244423381 is 183324442131002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200131242900625 + 1522756 = 14146775^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 200131244423381 - 2² = 200131244423377 is a prime.

It is a super-2 number, since 2×200131244423381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200131244423321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100065622211690 + 100065622211691.

It is an arithmetic number, because the mean of its divisors is an integer number (100065622211691).

Almost surely, 2^{200131244423381} is an apocalyptic number.

It is an amenable number.

200131244423381 is a deficient number, since it is larger than the sum of its proper divisors (1).

200131244423381 is an equidigital number, since it uses as much as digits as its factorization.

200131244423381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 200131244423381 its reverse (183324442131002), we get a palindrome (383455686554383).

The spelling of 200131244423381 in words is "two hundred trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred twenty-three thousand, three hundred eighty-one".