340021021031441 has 2 divisors, whose sum is σ = 340021021031442. Its totient is φ = 340021021031440.

The previous prime is 340021021031311. The next prime is 340021021031453. The reversal of 340021021031441 is 144130120120043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181548271780225 + 158472749251216 = 13473985^2 + 12588596^2 .

It is a cyclic number.

It is not a de Polignac number, because 340021021031441 - 2³⁸ = 339746143124497 is a prime.

It is a super-3 number, since 3×340021021031441³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 340021021031441.

It is not a weakly prime, because it can be changed into another prime (340021021031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170010510515720 + 170010510515721.

It is an arithmetic number, because the mean of its divisors is an integer number (170010510515721).

Almost surely, 2^{340021021031441} is an apocalyptic number.

It is an amenable number.

340021021031441 is a deficient number, since it is larger than the sum of its proper divisors (1).

340021021031441 is an equidigital number, since it uses as much as digits as its factorization.

340021021031441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 340021021031441 its reverse (144130120120043), we get a palindrome (484151141151484).

The spelling of 340021021031441 in words is "three hundred forty trillion, twenty-one billion, twenty-one million, thirty-one thousand, four hundred forty-one".