331121023311020 has 24 divisors (see below), whose sum is σ = 698263580548800. Its totient is φ = 131894231877632.

The previous prime is 331121023311019. The next prime is 331121023311053. The reversal of 331121023311020 is 20113320121133.

It is a super-2 number, since 2×331121023311020² (a number of 30 digits) contains 22 as substring.

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, 34636085525 + ... + 34636095084.

It is an arithmetic number, because the mean of its divisors is an integer number (29094315856200).

Almost surely, 2^{331121023311020} is an apocalyptic number.

It is an amenable number.

331121023311020 is an abundant number, since it is smaller than the sum of its proper divisors (367142557237780).

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

331121023311020 is a wasteful number, since it uses less digits than its factorization.

331121023311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69272180857 (or 69272180855 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 331121023311020 its reverse (20113320121133), we get a palindrome (351234343432153).

The spelling of 331121023311020 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, twenty-three million, three hundred eleven thousand, twenty".