2131341020 has 24 divisors (see below), whose sum is σ = 4542622224. Its totient is φ = 839811456.

The previous prime is 2131341019. The next prime is 2131341029. The reversal of 2131341020 is 201431312.

It is a super-2 number, since 2×2131341020² = 9085229087069280800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131341020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131341029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793937 + ... + 796616.

It is an arithmetic number, because the mean of its divisors is an integer number (189275926).

Almost surely, 2^2131341020 is an apocalyptic number.

2131341020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131341020 is an abundant number, since it is smaller than the sum of its proper divisors (2411281204).

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

2131341020 is a wasteful number, since it uses less digits than its factorization.

2131341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590629 (or 1590627 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131341020 is about 46166.4490728928. The cubic root of 2131341020 is about 1286.9183135395.

Adding to 2131341020 its reverse (201431312), we get a palindrome (2332772332).

The spelling of 2131341020 in words is "two billion, one hundred thirty-one million, three hundred forty-one thousand, twenty".