355231334243407 has 2 divisors, whose sum is σ = 355231334243408. Its totient is φ = 355231334243406.

The previous prime is 355231334243393. The next prime is 355231334243413. The reversal of 355231334243407 is 704342433132553.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355231334243407 is a prime.

It is a super-2 number, since 2×355231334243407² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355231334283407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177615667121703 + 177615667121704.

It is an arithmetic number, because the mean of its divisors is an integer number (177615667121704).

Almost surely, 2^{355231334243407} is an apocalyptic number.

355231334243407 is a deficient number, since it is larger than the sum of its proper divisors (1).

355231334243407 is an equidigital number, since it uses as much as digits as its factorization.

355231334243407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 49.

The spelling of 355231334243407 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 seven".