320244355011 has 32 divisors (see below), whose sum is σ = 493209699840. Its totient is φ = 181050299136.

The previous prime is 320244354973. The next prime is 320244355051. The reversal of 320244355011 is 110553442023.

It is not a de Polignac number, because 320244355011 - 2¹⁴ = 320244338627 is a prime.

It is a super-2 number, since 2×320244355011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320244355011.

It is not an unprimeable number, because it can be changed into a prime (320244355051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524295 + ... + 956751.

It is an arithmetic number, because the mean of its divisors is an integer number (15412803120).

Almost surely, 2^320244355011 is an apocalyptic number.

320244355011 is a deficient number, since it is larger than the sum of its proper divisors (172965344829).

320244355011 is a wasteful number, since it uses less digits than its factorization.

320244355011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432843.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 320244355011 its reverse (110553442023), we get a palindrome (430797797034).

The spelling of 320244355011 in words is "three hundred twenty billion, two hundred forty-four million, three hundred fifty-five thousand, eleven".