3101312031020 has 48 divisors (see below), whose sum is σ = 7583585663808. Its totient is φ = 1043244583680.

The previous prime is 3101312031001. The next prime is 3101312031049. The reversal of 3101312031020 is 201302131013.

It is a self number, because there is not a number n which added to its sum of digits gives 3101312031020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208975871 + ... + 208990710.

It is an arithmetic number, because the mean of its divisors is an integer number (157991367996).

Almost surely, 2^{3101312031020} is an apocalyptic number.

It is an amenable number.

3101312031020 is an abundant number, since it is smaller than the sum of its proper divisors (4482273632788).

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

3101312031020 is a wasteful number, since it uses less digits than its factorization.

3101312031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417966650 (or 417966648 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 3101312031020 its reverse (201302131013), we get a palindrome (3302614162033).

The spelling of 3101312031020 in words is "three trillion, one hundred one billion, three hundred twelve million, thirty-one thousand, twenty".