311234034253321 has 2 divisors, whose sum is σ = 311234034253322. Its totient is φ = 311234034253320.

The previous prime is 311234034253223. The next prime is 311234034253369. The reversal of 311234034253321 is 123352430432113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267395916540025 + 43838117713296 = 16352245^2 + 6621036^2 .

It is a cyclic number.

It is not a de Polignac number, because 311234034253321 - 2⁷ = 311234034253193 is a prime.

It is not a weakly prime, because it can be changed into another prime (311234034203321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155617017126660 + 155617017126661.

It is an arithmetic number, because the mean of its divisors is an integer number (155617017126661).

Almost surely, 2^{311234034253321} is an apocalyptic number.

It is an amenable number.

311234034253321 is a deficient number, since it is larger than the sum of its proper divisors (1).

311234034253321 is an equidigital number, since it uses as much as digits as its factorization.

311234034253321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 311234034253321 its reverse (123352430432113), we get a palindrome (434586464685434).

The spelling of 311234034253321 in words is "three hundred eleven trillion, two hundred thirty-four billion, thirty-four million, two hundred fifty-three thousand, three hundred twenty-one".