331202120313 has 16 divisors (see below), whose sum is σ = 455123567360. Its totient is φ = 214114927824.

The previous prime is 331202120287. The next prime is 331202120321. The reversal of 331202120313 is 313021202133.

It is a de Polignac number, because none of the positive numbers 2^k-331202120313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331202120313.

It is not an unprimeable number, because it can be changed into a prime (331202120363) 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, 9217531 + ... + 9253392.

It is an arithmetic number, because the mean of its divisors is an integer number (28445222960).

Almost surely, 2^331202120313 is an apocalyptic number.

It is an amenable number.

331202120313 is a deficient number, since it is larger than the sum of its proper divisors (123921447047).

331202120313 is a wasteful number, since it uses less digits than its factorization.

331202120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471108.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331202120313 its reverse (313021202133), we get a palindrome (644223322446).

The spelling of 331202120313 in words is "three hundred thirty-one billion, two hundred two million, one hundred twenty thousand, three hundred thirteen".