331320211332 has 96 divisors (see below), whose sum is σ = 901811885184. Its totient is φ = 93558528000.

The previous prime is 331320211309. The next prime is 331320211399. The reversal of 331320211332 is 233112023133.

It is a super-2 number, since 2×331320211332² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504283 + ... + 957570.

It is an arithmetic number, because the mean of its divisors is an integer number (9393873804).

Almost surely, 2^331320211332 is an apocalyptic number.

It is an amenable number.

331320211332 is an abundant number, since it is smaller than the sum of its proper divisors (570491673852).

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

331320211332 is a wasteful number, since it uses less digits than its factorization.

331320211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461989 (or 1461987 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331320211332 its reverse (233112023133), we get a palindrome (564432234465).

The spelling of 331320211332 in words is "three hundred thirty-one billion, three hundred twenty million, two hundred eleven thousand, three hundred thirty-two".