342211532321 has 4 divisors (see below), whose sum is σ = 351460492692. Its totient is φ = 332962571952.

The previous prime is 342211532287. The next prime is 342211532353. The reversal of 342211532321 is 123235112243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123235112243 = 1213 ⋅101595311.

It can be written as a sum of positive squares in 2 ways, for example, as 313840846225 + 28370686096 = 560215^2 + 168436^2 .

It is a cyclic number.

It is not a de Polignac number, because 342211532321 - 2¹⁴ = 342211515937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342211532021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4624480130 + ... + 4624480203.

It is an arithmetic number, because the mean of its divisors is an integer number (87865123173).

Almost surely, 2^342211532321 is an apocalyptic number.

It is an amenable number.

342211532321 is a deficient number, since it is larger than the sum of its proper divisors (9248960371).

342211532321 is an equidigital number, since it uses as much as digits as its factorization.

342211532321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248960370.

The product of its digits is 8640, while the sum is 29.

Adding to 342211532321 its reverse (123235112243), we get a palindrome (465446644564).

The spelling of 342211532321 in words is "three hundred forty-two billion, two hundred eleven million, five hundred thirty-two thousand, three hundred twenty-one".