320111131210 has 32 divisors (see below), whose sum is σ = 647502387840. Its totient is φ = 113055970368.

The previous prime is 320111131199. The next prime is 320111131217. The reversal of 320111131210 is 12131111023.

It is a happy number.

It is a super-2 number, since 2×320111131210² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320111131217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53527300 + ... + 53533279.

It is an arithmetic number, because the mean of its divisors is an integer number (20234449620).

Almost surely, 2^320111131210 is an apocalyptic number.

320111131210 is an abundant number, since it is smaller than the sum of its proper divisors (327391256630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320111131210 is a wasteful number, since it uses less digits than its factorization.

320111131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107060622.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 320111131210 its reverse (12131111023), we get a palindrome (332242242233).

The spelling of 320111131210 in words is "three hundred twenty billion, one hundred eleven million, one hundred thirty-one thousand, two hundred ten".