2531135244 has 96 divisors (see below), whose sum is σ = 6673121280. Its totient is φ = 739771200.

The previous prime is 2531135239. The next prime is 2531135249. The reversal of 2531135244 is 4425311352.

2531135244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2531135239) and next prime (2531135249).

It is not an unprimeable number, because it can be changed into a prime (2531135249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1468167 + ... + 1469889.

It is an arithmetic number, because the mean of its divisors is an integer number (69511680).

Almost surely, 2^2531135244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531135244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336560640).

2531135244 is an abundant number, since it is smaller than the sum of its proper divisors (4141986036).

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

2531135244 is a wasteful number, since it uses less digits than its factorization.

2531135244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2129 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2531135244 is about 50310.3890265221. The cubic root of 2531135244 is about 1362.8198492027.

Adding to 2531135244 its reverse (4425311352), we get a palindrome (6956446596).

The spelling of 2531135244 in words is "two billion, five hundred thirty-one million, one hundred thirty-five thousand, two hundred forty-four".