331002100213420 has 48 divisors (see below), whose sum is σ = 736663820235840. Its totient is φ = 124498961291264.

The previous prime is 331002100213361. The next prime is 331002100213483. The reversal of 331002100213420 is 24312001200133.

It is a junction number, because it is equal to n+sod(n) for n = 331002100213391 and 331002100213400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443353360 + ... + 444099319.

It is an arithmetic number, because the mean of its divisors is an integer number (15347162921580).

Almost surely, 2^{331002100213420} is an apocalyptic number.

It is an amenable number.

331002100213420 is an abundant number, since it is smaller than the sum of its proper divisors (405661720022420).

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

331002100213420 is a wasteful number, since it uses less digits than its factorization.

331002100213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887453802 (or 887453800 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 331002100213420 its reverse (24312001200133), we get a palindrome (355314101413553).

The spelling of 331002100213420 in words is "three hundred thirty-one trillion, two billion, one hundred million, two hundred thirteen thousand, four hundred twenty".