2131110425 has 24 divisors (see below), whose sum is σ = 2816176896. Its totient is φ = 1596045440.

The previous prime is 2131110413. The next prime is 2131110551. The reversal of 2131110425 is 5240111312.

It is not a de Polignac number, because 2131110425 - 2¹⁶ = 2131044889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131110397 and 2131110406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12404 + ... + 66453.

It is an arithmetic number, because the mean of its divisors is an integer number (117340704).

Almost surely, 2^2131110425 is an apocalyptic number.

2131110425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2131110425 is a deficient number, since it is larger than the sum of its proper divisors (685066471).

2131110425 is a wasteful number, since it uses less digits than its factorization.

2131110425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78937 (or 78932 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2131110425 is about 46163.9515747948. The cubic root of 2131110425 is about 1286.8719002519.

Adding to 2131110425 its reverse (5240111312), we get a palindrome (7371221737).

The spelling of 2131110425 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, four hundred twenty-five".