331020440124 has 24 divisors (see below), whose sum is σ = 842597484288. Its totient is φ = 100309224240.

The previous prime is 331020440071. The next prime is 331020440137. The reversal of 331020440124 is 421044020133.

It is a junction number, because it is equal to n+sod(n) for n = 331020440094 and 331020440103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253865172 + ... + 1253865435.

It is an arithmetic number, because the mean of its divisors is an integer number (35108228512).

Almost surely, 2^331020440124 is an apocalyptic number.

It is an amenable number.

331020440124 is an abundant number, since it is smaller than the sum of its proper divisors (511577044164).

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

331020440124 is a wasteful number, since it uses less digits than its factorization.

331020440124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507730625 (or 2507730623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 331020440124 its reverse (421044020133), we get a palindrome (752064460257).

The spelling of 331020440124 in words is "three hundred thirty-one billion, twenty million, four hundred forty thousand, one hundred twenty-four".