331131203002000 has 80 divisors (see below), whose sum is σ = 800679581910000. Its totient is φ = 132451764403200.

The previous prime is 331131203001983. The next prime is 331131203002021. The reversal of 331131203002000 is 200302131133.

It can be written as a sum of positive squares in 8 ways, for example, as 131348469661696 + 199782733340304 = 11460736^2 + 14134452^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520780276 + ... + 521415724.

It is an arithmetic number, because the mean of its divisors is an integer number (10008494773875).

Almost surely, 2^{331131203002000} is an apocalyptic number.

It is an amenable number.

331131203002000 is an abundant number, since it is smaller than the sum of its proper divisors (469548378908000).

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

331131203002000 is a wasteful number, since it uses less digits than its factorization.

331131203002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896021 (or 896005 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 331131203002000 its reverse (200302131133), we get a palindrome (331331505133133).

The spelling of 331131203002000 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, two hundred three million, two thousand".