312331331424 has 48 divisors (see below), whose sum is σ = 936993996288. Its totient is φ = 89237523072.

The previous prime is 312331331399. The next prime is 312331331497. The reversal of 312331331424 is 424133133213.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 312331331391 and 312331331400.

It is a congruent number.

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, 232388712 + ... + 232390055.

It is an arithmetic number, because the mean of its divisors is an integer number (19520708256).

Almost surely, 2^312331331424 is an apocalyptic number.

It is an amenable number.

312331331424 is an abundant number, since it is smaller than the sum of its proper divisors (624662664864).

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

312331331424 is a wasteful number, since it uses less digits than its factorization.

312331331424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464778787 (or 464778779 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 312331331424 its reverse (424133133213), we get a palindrome (736464464637).

The spelling of 312331331424 in words is "three hundred twelve billion, three hundred thirty-one million, three hundred thirty-one thousand, four hundred twenty-four".