320211112 has 16 divisors (see below), whose sum is σ = 646580340. Its totient is φ = 147789696.

The previous prime is 320211109. The next prime is 320211119. The reversal of 320211112 is 211112023.

It can be written as a sum of positive squares in 2 ways, for example, as 320195236 + 15876 = 17894^2 + 126^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 320211092 and 320211101.

It is not an unprimeable number, because it can be changed into a prime (320211119) 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, 1539373 + ... + 1539580.

Almost surely, 2^320211112 is an apocalyptic number.

It is an amenable number.

320211112 is an abundant number, since it is smaller than the sum of its proper divisors (326369228).

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

320211112 is a wasteful number, since it uses less digits than its factorization.

320211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078972 (or 3078968 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 320211112 is about 17894.4436068854. The cubic root of 320211112 is about 684.1407607894.

Adding to 320211112 its reverse (211112023), we get a palindrome (531323135).

It can be divided in two parts, 32021 and 1112, that added together give a palindrome (33133).

The spelling of 320211112 in words is "three hundred twenty million, two hundred eleven thousand, one hundred twelve".