10031310020 has 24 divisors (see below), whose sum is σ = 22304913624. Its totient is φ = 3776493056.

The previous prime is 10031309927. The next prime is 10031310073. The reversal of 10031310020 is 2001313001.

It can be written as a sum of positive squares in 4 ways, for example, as 4124465284 + 5906844736 = 64222^2 + 76856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10031309983 and 10031310010.

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, 14751587 + ... + 14752266.

It is an arithmetic number, because the mean of its divisors is an integer number (929371401).

Almost surely, 2^10031310020 is an apocalyptic number.

10031310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031310020 is an abundant number, since it is smaller than the sum of its proper divisors (12273603604).

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

10031310020 is a wasteful number, since it uses less digits than its factorization.

10031310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503879 (or 29503877 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10031310020 its reverse (2001313001), we get a palindrome (12032623021).

The spelling of 10031310020 in words is "ten billion, thirty-one million, three hundred ten thousand, twenty".