345531344542231 has 2 divisors, whose sum is σ = 345531344542232. Its totient is φ = 345531344542230.

The previous prime is 345531344542169. The next prime is 345531344542253. The reversal of 345531344542231 is 132245443135543.

It is a strong prime.

It is an emirp because it is prime and its reverse (132245443135543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345531344542231 - 2³⁷ = 345393905588759 is a prime.

It is a super-2 number, since 2×345531344542231² (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 (345531344546231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172765672271115 + 172765672271116.

It is an arithmetic number, because the mean of its divisors is an integer number (172765672271116).

Almost surely, 2^{345531344542231} is an apocalyptic number.

345531344542231 is a deficient number, since it is larger than the sum of its proper divisors (1).

345531344542231 is an equidigital number, since it uses as much as digits as its factorization.

345531344542231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 49.

Adding to 345531344542231 its reverse (132245443135543), we get a palindrome (477776787677774).

The spelling of 345531344542231 in words is "three hundred forty-five trillion, five hundred thirty-one billion, three hundred forty-four million, five hundred forty-two thousand, two hundred thirty-one".