331220211332000 has 48 divisors (see below), whose sum is σ = 813808059252552. Its totient is φ = 132488084531200.

The previous prime is 331220211331909. The next prime is 331220211332011. The reversal of 331220211332000 is 233112022133.

It can be written as a sum of positive squares in 4 ways, for example, as 159692050372624 + 171528160959376 = 12636932^2 + 13096876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41402522417 + ... + 41402530416.

Almost surely, 2^{331220211332000} is an apocalyptic number.

It is an amenable number.

331220211332000 is an abundant number, since it is smaller than the sum of its proper divisors (482587847920552).

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

331220211332000 is an equidigital number, since it uses as much as digits as its factorization.

331220211332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82805052858 (or 82805052840 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331220211332000 its reverse (233112022133), we get a palindrome (331453323354133).

The spelling of 331220211332000 in words is "three hundred thirty-one trillion, two hundred twenty billion, two hundred eleven million, three hundred thirty-two thousand".