331020000221302 has 48 divisors (see below), whose sum is σ = 588557236879872. Its totient is φ = 139174084707840.

The previous prime is 331020000221263. The next prime is 331020000221369. The reversal of 331020000221302 is 203122000020133.

It is a super-2 number, since 2×331020000221302² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331020000221302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45116902 + ... + 51938182.

It is an arithmetic number, because the mean of its divisors is an integer number (12261609101664).

Almost surely, 2^{331020000221302} is an apocalyptic number.

331020000221302 is a deficient number, since it is larger than the sum of its proper divisors (257537236658570).

331020000221302 is a wasteful number, since it uses less digits than its factorization.

331020000221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830693 (or 6830686 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 331020000221302 its reverse (203122000020133), we get a palindrome (534142000241435).

The spelling of 331020000221302 in words is "three hundred thirty-one trillion, twenty billion, two hundred twenty-one thousand, three hundred two".