3331311312220 has 48 divisors (see below), whose sum is σ = 7167827707488. Its totient is φ = 1299761648640.

The previous prime is 3331311312163. The next prime is 3331311312323. The reversal of 3331311312220 is 222131131333.

It is a super-2 number, since 2×3331311312220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682024 + ... + 4496656.

It is an arithmetic number, because the mean of its divisors is an integer number (149329743906).

Almost surely, 2^{3331311312220} is an apocalyptic number.

It is an amenable number.

3331311312220 is an abundant number, since it is smaller than the sum of its proper divisors (3836516395268).

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

3331311312220 is a wasteful number, since it uses less digits than its factorization.

3331311312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819670 (or 819668 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3331311312220 its reverse (222131131333), we get a palindrome (3553442443553).

The spelling of 3331311312220 in words is "three trillion, three hundred thirty-one billion, three hundred eleven million, three hundred twelve thousand, two hundred twenty".