331145220303012 has 48 divisors (see below), whose sum is σ = 808576843132800. Its totient is φ = 105280005228288.

The previous prime is 331145220302993. The next prime is 331145220303017. The reversal of 331145220303012 is 210303022541133.

It is not an unprimeable number, because it can be changed into a prime (331145220303017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718817033 + ... + 1719009680.

It is an arithmetic number, because the mean of its divisors is an integer number (16845350898600).

Almost surely, 2^{331145220303012} is an apocalyptic number.

It is an amenable number.

331145220303012 is an abundant number, since it is smaller than the sum of its proper divisors (477431622829788).

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

331145220303012 is a wasteful number, since it uses less digits than its factorization.

331145220303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437827092 (or 3437827090 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 331145220303012 its reverse (210303022541133), we get a palindrome (541448242844145).

The spelling of 331145220303012 in words is "three hundred thirty-one trillion, one hundred forty-five billion, two hundred twenty million, three hundred three thousand, twelve".