345529815179231 has 2 divisors, whose sum is σ = 345529815179232. Its totient is φ = 345529815179230.

The previous prime is 345529815179209. The next prime is 345529815179251. The reversal of 345529815179231 is 132971518925543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345529815179231 - 2³⁴ = 345512635310047 is a prime.

It is a super-2 number, since 2×345529815179231² (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 (345529815179201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172764907589615 + 172764907589616.

It is an arithmetic number, because the mean of its divisors is an integer number (172764907589616).

Almost surely, 2^{345529815179231} is an apocalyptic number.

345529815179231 is a deficient number, since it is larger than the sum of its proper divisors (1).

345529815179231 is an equidigital number, since it uses as much as digits as its factorization.

345529815179231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648000, while the sum is 65.

The spelling of 345529815179231 in words is "three hundred forty-five trillion, five hundred twenty-nine billion, eight hundred fifteen million, one hundred seventy-nine thousand, two hundred thirty-one".