331420322241233 has 2 divisors, whose sum is σ = 331420322241234. Its totient is φ = 331420322241232.

The previous prime is 331420322241193. The next prime is 331420322241241. The reversal of 331420322241233 is 332142223024133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218056964629504 + 113363357611729 = 14766752^2 + 10647223^2 .

It is a cyclic number.

It is not a de Polignac number, because 331420322241233 - 2²⁰ = 331420321192657 is a prime.

It is a super-2 number, since 2×331420322241233² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331420322241193 and 331420322241202.

It is not a weakly prime, because it can be changed into another prime (331420322241133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165710161120616 + 165710161120617.

It is an arithmetic number, because the mean of its divisors is an integer number (165710161120617).

Almost surely, 2^{331420322241233} is an apocalyptic number.

It is an amenable number.

331420322241233 is a deficient number, since it is larger than the sum of its proper divisors (1).

331420322241233 is an equidigital number, since it uses as much as digits as its factorization.

331420322241233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 331420322241233 its reverse (332142223024133), we get a palindrome (663562545265366).

The spelling of 331420322241233 in words is "three hundred thirty-one trillion, four hundred twenty billion, three hundred twenty-two million, two hundred forty-one thousand, two hundred thirty-three".