10131131020 has 12 divisors (see below), whose sum is σ = 21275375184. Its totient is φ = 4052452400.

The previous prime is 10131130981. The next prime is 10131131047. The reversal of 10131131020 is 2013113101.

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, 253278256 + ... + 253278295.

It is an arithmetic number, because the mean of its divisors is an integer number (1772947932).

Almost surely, 2^10131131020 is an apocalyptic number.

10131131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131131020 is an abundant number, since it is smaller than the sum of its proper divisors (11144244164).

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

10131131020 is a wasteful number, since it uses less digits than its factorization.

10131131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506556560 (or 506556558 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10131131020 its reverse (2013113101), we get a palindrome (12144244121).

The spelling of 10131131020 in words is "ten billion, one hundred thirty-one million, one hundred thirty-one thousand, twenty".