2531123055 has 24 divisors (see below), whose sum is σ = 4389381360. Its totient is φ = 1349285760.

The previous prime is 2531123051. The next prime is 2531123059. The reversal of 2531123055 is 5503211352.

It is a happy number.

2531123055 is a `hidden beast` number, since 2 + 531 + 123 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2531123051) and next prime (2531123059).

It is not a de Polignac number, because 2531123055 - 2² = 2531123051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531123051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90316 + ... + 114974.

It is an arithmetic number, because the mean of its divisors is an integer number (182890890).

Almost surely, 2^2531123055 is an apocalyptic number.

2531123055 is a deficient number, since it is larger than the sum of its proper divisors (1858258305).

2531123055 is a wasteful number, since it uses less digits than its factorization.

2531123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951 (or 26948 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2531123055 is about 50310.2678883744. The cubic root of 2531123055 is about 1362.8176615890.

The spelling of 2531123055 in words is "two billion, five hundred thirty-one million, one hundred twenty-three thousand, fifty-five".