312311313210020 has 48 divisors (see below), whose sum is σ = 670019862935808. Its totient is φ = 122227900247040.

The previous prime is 312311313210007. The next prime is 312311313210041. The reversal of 312311313210020 is 20012313113213.

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, 49547501 + ... + 55493940.

It is an arithmetic number, because the mean of its divisors is an integer number (13958747144496).

Almost surely, 2^{312311313210020} is an apocalyptic number.

It is an amenable number.

312311313210020 is an abundant number, since it is smaller than the sum of its proper divisors (357708549725788).

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

312311313210020 is a wasteful number, since it uses less digits than its factorization.

312311313210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105044660 (or 105044658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 312311313210020 its reverse (20012313113213), we get a palindrome (332323626323233).

The spelling of 312311313210020 in words is "three hundred twelve trillion, three hundred eleven billion, three hundred thirteen million, two hundred ten thousand, twenty".