331099434120 has 256 divisors, whose sum is σ = 1250953482240. Its totient is φ = 68233632768.

The previous prime is 331099434067. The next prime is 331099434121. The reversal of 331099434120 is 21434990133.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (331099434121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116997 + ... + 822123.

It is an arithmetic number, because the mean of its divisors is an integer number (4886537040).

Almost surely, 2^331099434120 is an apocalyptic number.

331099434120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331099434120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625476741120).

331099434120 is an abundant number, since it is smaller than the sum of its proper divisors (919854048120).

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

331099434120 is a wasteful number, since it uses less digits than its factorization.

331099434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705204 (or 705200 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 331099434120 in words is "three hundred thirty-one billion, ninety-nine million, four hundred thirty-four thousand, one hundred twenty".