2131425133 has 8 divisors (see below), whose sum is σ = 2282162040. Its totient is φ = 1983505920.

The previous prime is 2131425083. The next prime is 2131425169. The reversal of 2131425133 is 3315241312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 374306409 + 1757118724 = 19347^2 + 41918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131425133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131425098 and 2131425107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131455133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702858 + ... + 705883.

It is an arithmetic number, because the mean of its divisors is an integer number (285270255).

Almost surely, 2^2131425133 is an apocalyptic number.

It is an amenable number.

2131425133 is a deficient number, since it is larger than the sum of its proper divisors (150736907).

2131425133 is a wasteful number, since it uses less digits than its factorization.

2131425133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408847.

The product of its digits is 2160, while the sum is 25.

The square root of 2131425133 is about 46167.3600393178. The cubic root of 2131425133 is about 1286.9352426521.

Adding to 2131425133 its reverse (3315241312), we get a palindrome (5446666445).

The spelling of 2131425133 in words is "two billion, one hundred thirty-one million, four hundred twenty-five thousand, one hundred thirty-three".