101312544020 has 12 divisors (see below), whose sum is σ = 212756342484. Its totient is φ = 40525017600.

The previous prime is 101312543993. The next prime is 101312544031. The reversal of 101312544020 is 20445213101.

It can be written as a sum of positive squares in 2 ways, for example, as 19451323024 + 81861220996 = 139468^2 + 286114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532813581 + ... + 2532813620.

It is an arithmetic number, because the mean of its divisors is an integer number (17729695207).

Almost surely, 2^101312544020 is an apocalyptic number.

101312544020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101312544020 is an abundant number, since it is smaller than the sum of its proper divisors (111443798464).

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

101312544020 is a wasteful number, since it uses less digits than its factorization.

101312544020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065627210 (or 5065627208 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 101312544020 its reverse (20445213101), we get a palindrome (121757757121).

The spelling of 101312544020 in words is "one hundred one billion, three hundred twelve million, five hundred forty-four thousand, twenty".