331320301023320 has 128 divisors (see below), whose sum is σ = 926462763653760. Its totient is φ = 104023889141760.

The previous prime is 331320301023227. The next prime is 331320301023329. The reversal of 331320301023320 is 23320103023133.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 331320301023320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331320301023329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 940433411 + ... + 940785650.

It is an arithmetic number, because the mean of its divisors is an integer number (7237990341045).

Almost surely, 2^{331320301023320} is an apocalyptic number.

It is an amenable number.

331320301023320 is an abundant number, since it is smaller than the sum of its proper divisors (595142462630440).

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

331320301023320 is a wasteful number, since it uses less digits than its factorization.

331320301023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881219133 (or 1881219129 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 331320301023320 its reverse (23320103023133), we get a palindrome (354640404046453).

The spelling of 331320301023320 in words is "three hundred thirty-one trillion, three hundred twenty billion, three hundred one million, twenty-three thousand, three hundred twenty".