331020131012 has 24 divisors (see below), whose sum is σ = 593594228472. Its totient is φ = 161424230400.

The previous prime is 331020130993. The next prime is 331020131047. The reversal of 331020131012 is 210131020133.

It can be written as a sum of positive squares in 4 ways, for example, as 143744106496 + 187276024516 = 379136^2 + 432754^2 .

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 7 ways as a sum of consecutive naturals, for example, 238712 + ... + 847952.

It is an arithmetic number, because the mean of its divisors is an integer number (24733092853).

Almost surely, 2^331020131012 is an apocalyptic number.

It is an amenable number.

331020131012 is a deficient number, since it is larger than the sum of its proper divisors (262574097460).

331020131012 is a wasteful number, since it uses less digits than its factorization.

331020131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612599 (or 612597 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331020131012 its reverse (210131020133), we get a palindrome (541151151145).

The spelling of 331020131012 in words is "three hundred thirty-one billion, twenty million, one hundred thirty-one thousand, twelve".