103442131033421 has 2 divisors, whose sum is σ = 103442131033422. Its totient is φ = 103442131033420.

The previous prime is 103442131033349. The next prime is 103442131033433. The reversal of 103442131033421 is 124330131244301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92787194677321 + 10654936356100 = 9632611^2 + 3264190^2 .

It is a cyclic number.

It is not a de Polignac number, because 103442131033421 - 2¹⁴ = 103442131017037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103442131023421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721065516710 + 51721065516711.

It is an arithmetic number, because the mean of its divisors is an integer number (51721065516711).

Almost surely, 2^{103442131033421} is an apocalyptic number.

It is an amenable number.

103442131033421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103442131033421 is an equidigital number, since it uses as much as digits as its factorization.

103442131033421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 103442131033421 its reverse (124330131244301), we get a palindrome (227772262277722).

The spelling of 103442131033421 in words is "one hundred three trillion, four hundred forty-two billion, one hundred thirty-one million, thirty-three thousand, four hundred twenty-one".