2530311345 has 16 divisors (see below), whose sum is σ = 4498331520. Its totient is φ = 1349499312.

The previous prime is 2530311313. The next prime is 2530311349. The reversal of 2530311345 is 5431130352.

2530311345 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 311 + 345 = 666.

It is not a de Polignac number, because 2530311345 - 2⁵ = 2530311313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2530311349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9371389 + ... + 9371658.

It is an arithmetic number, because the mean of its divisors is an integer number (281145720).

Almost surely, 2^2530311345 is an apocalyptic number.

It is an amenable number.

2530311345 is a deficient number, since it is larger than the sum of its proper divisors (1968020175).

2530311345 is a wasteful number, since it uses less digits than its factorization.

2530311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18743061 (or 18743055 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2530311345 is about 50302.2002003888. The cubic root of 2530311345 is about 1362.6719646037.

Adding to 2530311345 its reverse (5431130352), we get a palindrome (7961441697).

The spelling of 2530311345 in words is "two billion, five hundred thirty million, three hundred eleven thousand, three hundred forty-five".