354111040321 has 2 divisors, whose sum is σ = 354111040322. Its totient is φ = 354111040320.

The previous prime is 354111040279. The next prime is 354111040333. The reversal of 354111040321 is 123040111453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273985246096 + 80125794225 = 523436^2 + 283065^2 .

It is a cyclic number.

It is not a de Polignac number, because 354111040321 - 2³³ = 345521105729 is a prime.

It is not a weakly prime, because it can be changed into another prime (354111040421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177055520160 + 177055520161.

It is an arithmetic number, because the mean of its divisors is an integer number (177055520161).

Almost surely, 2^354111040321 is an apocalyptic number.

It is an amenable number.

354111040321 is a deficient number, since it is larger than the sum of its proper divisors (1).

354111040321 is an equidigital number, since it uses as much as digits as its factorization.

354111040321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 354111040321 its reverse (123040111453), we get a palindrome (477151151774).

The spelling of 354111040321 in words is "three hundred fifty-four billion, one hundred eleven million, forty thousand, three hundred twenty-one".