331310112 has 48 divisors (see below), whose sum is σ = 993932352. Its totient is φ = 94659840.

The previous prime is 331310071. The next prime is 331310117. The reversal of 331310112 is 211013133.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 331310091 and 331310100.

It is not an unprimeable number, because it can be changed into a prime (331310117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245839 + ... + 247182.

It is an arithmetic number, because the mean of its divisors is an integer number (20706924).

Almost surely, 2^331310112 is an apocalyptic number.

331310112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331310112 is an abundant number, since it is smaller than the sum of its proper divisors (662622240).

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

331310112 is a wasteful number, since it uses less digits than its factorization.

331310112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493041 (or 493033 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 331310112 is about 18201.9260519320. The cubic root of 331310112 is about 691.9556031971.

Adding to 331310112 its reverse (211013133), we get a palindrome (542323245).

The spelling of 331310112 in words is "three hundred thirty-one million, three hundred ten thousand, one hundred twelve".