355231334243413 has 2 divisors, whose sum is σ = 355231334243414. Its totient is φ = 355231334243412.

The previous prime is 355231334243407. The next prime is 355231334243479. The reversal of 355231334243413 is 314342433132553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354586110828849 + 645223414564 = 18830457^2 + 803258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355231334243413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355231334243113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177615667121706 + 177615667121707.

It is an arithmetic number, because the mean of its divisors is an integer number (177615667121707).

Almost surely, 2^{355231334243413} is an apocalyptic number.

It is an amenable number.

355231334243413 is a deficient number, since it is larger than the sum of its proper divisors (1).

355231334243413 is an equidigital number, since it uses as much as digits as its factorization.

355231334243413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 46.

Adding to 355231334243413 its reverse (314342433132553), we get a palindrome (669573767375966).

The spelling of 355231334243413 in words is "three hundred fifty-five trillion, two hundred thirty-one billion, three hundred thirty-four million, two hundred forty-three thousand, four hundred thirteen".