402234131441 has 2 divisors, whose sum is σ = 402234131442. Its totient is φ = 402234131440.

The previous prime is 402234131399. The next prime is 402234131449. The reversal of 402234131441 is 144131432204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276180729841 + 126053401600 = 525529^2 + 355040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402234131441 is a prime.

It is not a weakly prime, because it can be changed into another prime (402234131449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201117065720 + 201117065721.

It is an arithmetic number, because the mean of its divisors is an integer number (201117065721).

Almost surely, 2^402234131441 is an apocalyptic number.

It is an amenable number.

402234131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

402234131441 is an equidigital number, since it uses as much as digits as its factorization.

402234131441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 402234131441 its reverse (144131432204), we get a palindrome (546365563645).

The spelling of 402234131441 in words is "four hundred two billion, two hundred thirty-four million, one hundred thirty-one thousand, four hundred forty-one".