345531511434271 has 2 divisors, whose sum is σ = 345531511434272. Its totient is φ = 345531511434270.

The previous prime is 345531511434139. The next prime is 345531511434337. The reversal of 345531511434271 is 172434115135543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345531511434271 - 2¹⁹ = 345531510909983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345531511434371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172765755717135 + 172765755717136.

It is an arithmetic number, because the mean of its divisors is an integer number (172765755717136).

Almost surely, 2^{345531511434271} is an apocalyptic number.

345531511434271 is a deficient number, since it is larger than the sum of its proper divisors (1).

345531511434271 is an equidigital number, since it uses as much as digits as its factorization.

345531511434271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 49.

The spelling of 345531511434271 in words is "three hundred forty-five trillion, five hundred thirty-one billion, five hundred eleven million, four hundred thirty-four thousand, two hundred seventy-one".