10031113020 has 96 divisors (see below), whose sum is σ = 28283947776. Its totient is φ = 2656281600.

The previous prime is 10031113009. The next prime is 10031113049. The reversal of 10031113020 is 2031113001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10031112987 and 10031113005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10266772 + ... + 10267748.

It is an arithmetic number, because the mean of its divisors is an integer number (294624456).

Almost surely, 2^10031113020 is an apocalyptic number.

10031113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031113020 is an abundant number, since it is smaller than the sum of its proper divisors (18252834756).

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

10031113020 is a wasteful number, since it uses less digits than its factorization.

10031113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031113020 its reverse (2031113001), we get a palindrome (12062226021).

The spelling of 10031113020 in words is "ten billion, thirty-one million, one hundred thirteen thousand, twenty".