320263302242 has 8 divisors (see below), whose sum is σ = 517348411356. Its totient is φ = 147813831792.

The previous prime is 320263302241. The next prime is 320263302283. The reversal of 320263302242 is 242203362023.

It can be written as a sum of positive squares in 2 ways, for example, as 315294603121 + 4968699121 = 561511^2 + 70489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×320263302242³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (320263302241) 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, 6158909633 + ... + 6158909684.

Almost surely, 2^320263302242 is an apocalyptic number.

320263302242 is a deficient number, since it is larger than the sum of its proper divisors (197085109114).

320263302242 is a wasteful number, since it uses less digits than its factorization.

320263302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12317819332.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 320263302242 its reverse (242203362023), we get a palindrome (562466664265).

The spelling of 320263302242 in words is "three hundred twenty billion, two hundred sixty-three million, three hundred two thousand, two hundred forty-two".