243035351401 has 2 divisors, whose sum is σ = 243035351402. Its totient is φ = 243035351400.

The previous prime is 243035351327. The next prime is 243035351413. The reversal of 243035351401 is 104153530342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134873297001 + 108162054400 = 367251^2 + 328880^2 .

It is a cyclic number.

It is not a de Polignac number, because 243035351401 - 2¹³ = 243035343209 is a prime.

It is not a weakly prime, because it can be changed into another prime (243035351441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517675700 + 121517675701.

It is an arithmetic number, because the mean of its divisors is an integer number (121517675701).

Almost surely, 2^243035351401 is an apocalyptic number.

It is an amenable number.

243035351401 is a deficient number, since it is larger than the sum of its proper divisors (1).

243035351401 is an equidigital number, since it uses as much as digits as its factorization.

243035351401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 243035351401 its reverse (104153530342), we get a palindrome (347188881743).

The spelling of 243035351401 in words is "two hundred forty-three billion, thirty-five million, three hundred fifty-one thousand, four hundred one".