3101231021020 has 24 divisors (see below), whose sum is σ = 7104638339568. Its totient is φ = 1127720371200.

The previous prime is 3101231021011. The next prime is 3101231021069. The reversal of 3101231021020 is 201201321013.

It is a junction number, because it is equal to n+sod(n) for n = 3101231020985 and 3101231021003.

It is a congruent number.

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, 7048252101 + ... + 7048252540.

It is an arithmetic number, because the mean of its divisors is an integer number (296026597482).

Almost surely, 2^{3101231021020} is an apocalyptic number.

It is an amenable number.

3101231021020 is an abundant number, since it is smaller than the sum of its proper divisors (4003407318548).

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

3101231021020 is a wasteful number, since it uses less digits than its factorization.

3101231021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096504661 (or 14096504659 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3101231021020 its reverse (201201321013), we get a palindrome (3302432342033).

The spelling of 3101231021020 in words is "three trillion, one hundred one billion, two hundred thirty-one million, twenty-one thousand, twenty".