320311230112 has 48 divisors (see below), whose sum is σ = 635422029480. Its totient is φ = 158934970368.

The previous prime is 320311230103. The next prime is 320311230131. The reversal of 320311230112 is 211032113023.

It can be written as a sum of positive squares in 4 ways, for example, as 134339842576 + 185971387536 = 366524^2 + 431244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320311230112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15934564 + ... + 15954652.

Almost surely, 2^320311230112 is an apocalyptic number.

320311230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320311230112 is a deficient number, since it is larger than the sum of its proper divisors (315110799368).

320311230112 is a wasteful number, since it uses less digits than its factorization.

320311230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23873 (or 23865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320311230112 its reverse (211032113023), we get a palindrome (531343343135).

The spelling of 320311230112 in words is "three hundred twenty billion, three hundred eleven million, two hundred thirty thousand, one hundred twelve".