10131331020 has 96 divisors (see below), whose sum is σ = 28914278400. Its totient is φ = 2650120704.

The previous prime is 10131330991. The next prime is 10131331027. The reversal of 10131331020 is 2013313101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10131331027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670711 + ... + 685649.

It is an arithmetic number, because the mean of its divisors is an integer number (301190400).

Almost surely, 2^10131331020 is an apocalyptic number.

10131331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14457139200).

10131331020 is an abundant number, since it is smaller than the sum of its proper divisors (18782947380).

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

10131331020 is a wasteful number, since it uses less digits than its factorization.

10131331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15167 (or 15165 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10131331020 its reverse (2013313101), we get a palindrome (12144644121).

The spelling of 10131331020 in words is "ten billion, one hundred thirty-one million, three hundred thirty-one thousand, twenty".