420234553240331 has 2 divisors, whose sum is σ = 420234553240332. Its totient is φ = 420234553240330.

The previous prime is 420234553240259. The next prime is 420234553240361. The reversal of 420234553240331 is 133042355432024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420234553240331 - 2⁴⁶ = 349865809062667 is a prime.

It is a super-2 number, since 2×420234553240331² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420234553240361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210117276620165 + 210117276620166.

It is an arithmetic number, because the mean of its divisors is an integer number (210117276620166).

Almost surely, 2^{420234553240331} is an apocalyptic number.

420234553240331 is a deficient number, since it is larger than the sum of its proper divisors (1).

420234553240331 is an equidigital number, since it uses as much as digits as its factorization.

420234553240331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 41.

The spelling of 420234553240331 in words is "four hundred twenty trillion, two hundred thirty-four billion, five hundred fifty-three million, two hundred forty thousand, three hundred thirty-one".