344212540181 has 2 divisors, whose sum is σ = 344212540182. Its totient is φ = 344212540180.

The previous prime is 344212540127. The next prime is 344212540207. The reversal of 344212540181 is 181045212443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343406548081 + 805992100 = 586009^2 + 28390^2 .

It is a cyclic number.

It is not a de Polignac number, because 344212540181 - 2³⁰ = 343138798357 is a prime.

It is a super-2 number, since 2×344212540181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344212540781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172106270090 + 172106270091.

It is an arithmetic number, because the mean of its divisors is an integer number (172106270091).

Almost surely, 2^344212540181 is an apocalyptic number.

It is an amenable number.

344212540181 is a deficient number, since it is larger than the sum of its proper divisors (1).

344212540181 is an equidigital number, since it uses as much as digits as its factorization.

344212540181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 344212540181 in words is "three hundred forty-four billion, two hundred twelve million, five hundred forty thousand, one hundred eighty-one".