331020240000 has 160 divisors (see below), whose sum is σ = 1098739728240. Its totient is φ = 88272000000.

The previous prime is 331020239993. The next prime is 331020240011. The reversal of 331020240000 is 42020133.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 449626 + ... + 929625.

Almost surely, 2^331020240000 is an apocalyptic number.

331020240000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331020240000 is an abundant number, since it is smaller than the sum of its proper divisors (767719488240).

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

331020240000 is an equidigital number, since it uses as much as digits as its factorization.

331020240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379288 (or 1379261 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 331020240000 its reverse (42020133), we get a palindrome (331062260133).

The spelling of 331020240000 in words is "three hundred thirty-one billion, twenty million, two hundred forty thousand".