340454615755231 has 2 divisors, whose sum is σ = 340454615755232. Its totient is φ = 340454615755230.

The previous prime is 340454615755153. The next prime is 340454615755313. The reversal of 340454615755231 is 132557516454043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340454615755231 - 2¹⁷ = 340454615624159 is a prime.

It is a super-2 number, since 2×340454615755231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340454615759231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170227307877615 + 170227307877616.

It is an arithmetic number, because the mean of its divisors is an integer number (170227307877616).

Almost surely, 2^{340454615755231} is an apocalyptic number.

340454615755231 is a deficient number, since it is larger than the sum of its proper divisors (1).

340454615755231 is an equidigital number, since it uses as much as digits as its factorization.

340454615755231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240000, while the sum is 55.

The spelling of 340454615755231 in words is "three hundred forty trillion, four hundred fifty-four billion, six hundred fifteen million, seven hundred fifty-five thousand, two hundred thirty-one".