3112421100320 has 48 divisors (see below), whose sum is σ = 8403536973888. Its totient is φ = 1067115805440.

The previous prime is 3112421100319. The next prime is 3112421100361. The reversal of 3112421100320 is 230011242113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3112421100292 and 3112421100301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389472586 + ... + 1389474825.

It is an arithmetic number, because the mean of its divisors is an integer number (175073686956).

Almost surely, 2^{3112421100320} is an apocalyptic number.

It is an amenable number.

3112421100320 is an abundant number, since it is smaller than the sum of its proper divisors (5291115873568).

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

3112421100320 is a wasteful number, since it uses less digits than its factorization.

3112421100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778947433 (or 2778947425 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3112421100320 its reverse (230011242113), we get a palindrome (3342432342433).

The spelling of 3112421100320 in words is "three trillion, one hundred twelve billion, four hundred twenty-one million, one hundred thousand, three hundred twenty".