331244051304240 has 120 divisors (see below), whose sum is σ = 1116386757933408. Its totient is φ = 88017399106560.

The previous prime is 331244051304191. The next prime is 331244051304247. The reversal of 331244051304240 is 42403150442133.

331244051304240 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 4 + 405 + 1 + 3 + 0 + 4 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 331244051304195 and 331244051304204.

It is not an unprimeable number, because it can be changed into a prime (331244051304247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818411884 + ... + 818816523.

Almost surely, 2^{331244051304240} is an apocalyptic number.

331244051304240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331244051304240 is an abundant number, since it is smaller than the sum of its proper divisors (785142706629168).

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

331244051304240 is a wasteful number, since it uses less digits than its factorization.

331244051304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637228707 (or 1637228698 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 331244051304240 in words is "three hundred thirty-one trillion, two hundred forty-four billion, fifty-one million, three hundred four thousand, two hundred forty".