3112031320020 has 192 divisors, whose sum is σ = 11168412917760. Its totient is φ = 704673489024.

The previous prime is 3112031320009. The next prime is 3112031320039. The reversal of 3112031320020 is 200231302113.

3112031320020 is a `hidden beast` number, since 31 + 120 + 313 + 200 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3112031319975 and 3112031320002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3442684 + ... + 4251603.

It is an arithmetic number, because the mean of its divisors is an integer number (58168817280).

Almost surely, 2^{3112031320020} is an apocalyptic number.

3112031320020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3112031320020 is an abundant number, since it is smaller than the sum of its proper divisors (8056381597740).

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

3112031320020 is a wasteful number, since it uses less digits than its factorization.

3112031320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694419 (or 7694411 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3112031320020 its reverse (200231302113), we get a palindrome (3312262622133).

The spelling of 3112031320020 in words is "three trillion, one hundred twelve billion, thirty-one million, three hundred twenty thousand, twenty".