326310320242 has 4 divisors (see below), whose sum is σ = 489465480366. Its totient is φ = 163155160120.

The previous prime is 326310320233. The next prime is 326310320243. The reversal of 326310320242 is 242023013623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242023013623 = 3217 ⋅75232519.

It can be written as a sum of positive squares in only one way, i.e., 196055013961 + 130255306281 = 442781^2 + 360909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 326310320242.

It is not an unprimeable number, because it can be changed into a prime (326310320243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81577580059 + ... + 81577580062.

Almost surely, 2^326310320242 is an apocalyptic number.

326310320242 is a deficient number, since it is larger than the sum of its proper divisors (163155160124).

326310320242 is a wasteful number, since it uses less digits than its factorization.

326310320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163155160123.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 326310320242 its reverse (242023013623), we get a palindrome (568333333865).

The spelling of 326310320242 in words is "three hundred twenty-six billion, three hundred ten million, three hundred twenty thousand, two hundred forty-two".